Primer GF 020 GOST 25129 82. Developed and introduced by the Ministry of Chemical Industry of the USSR
4. The degree of dilution of the primer with a solvent,%, no more
5. Mass fraction of non-volatile substances, %
________________
7. Drying time up to degree 3, no more at (105±5) °С, min
(20±2) °С, h
8. Hardness of the film according to the pendulum device M-3, arbitrary units, not less than
9. Elasticity of the film in bending, mm, no more
10. Impact strength of the film on a U-1 device, cm, not less than
11. Film adhesion, points, no more
By GOST 15140, section 2
12. Film resistance to static effect of 3% sodium chloride solution, h, not less than
By GOST 9.403, section 2 and clause 4.7 of this standard
13. The ability of the film to be sanded
The film during grinding should form flat surface and do not salt the skin
14. Resistance of the film to the action of nitro enamel
There should be no peeling, wrinkling, cracking nitro enamel films applied to the primer
15. Film resistance to static effect of mineral oil at (20±2) °C, h, not less than
By GOST 9.403, section 2 and clause 4.10 of this standard
16. Delamination, ml, no more
Note. The formation of an easily stirred sediment during storage is allowed, as well as an increase in the degree of dilution of the primer, if, after thorough mixing and dilution, the primer meets the requirements of this standard.
(Changed edition, Rev. N 1, 2).
2. SAFETY REQUIREMENTS
2.1. Primer GF-021 is a flammable and toxic material, due to the properties of the solvents that make up the primer (table 2).
Vapors of solvents, which are part of the primer, irritate the mucous membranes of the eyes, respiratory tract and skin.
table 2
Component name | Maximum allowable concentration in air working area production | Temperature, °С | Concentration ignition limits, % (by volume) | Hazard Class |
|
spontaneous ignition | |||||
Not less than 24 | Not higher than 450 | ||||
Solvent | |||||
White Spirit | |||||
2.2. In the production, application, testing of the primer, the requirements fire safety and industrial sanitation GOST 12.3.005.
2.3. All work related to the manufacture, application and testing of the primer must be carried out in workshops equipped with supply and exhaust ventilation and fire fighting equipment in accordance with GOST 12.3.005.
2.4. Precautions: Sealing production equipment, providing employees with funds personal protection that meet the requirements GOST 12.4.011.
2.5. Coating with a primer after drying does not have a harmful effect on the human body.
2.6. Monitoring the state of the air environment - according to GOST 12.1.007 and GOST 17.2.3.02.
3. ACCEPTANCE RULES
3.1. Acceptance rules - according to GOST 9980.1.
3.2. Indicators 8, 10, 12, 13, 15 of Table 1 are determined by the manufacturer periodically in every twentieth batch.
3.1, 3.2. (Changed edition, Rev. N 1).
4. TEST METHODS
4.1. Sampling - by GOST 9980.2.
4.2. Preparing for the test
The plates for applying the primer are prepared according to GOST 8832, section 3.
Film hardness is determined on glass for photographic plates 9x12-1.2 according to TU 6-43-0205133-03*.
________________
* Specifications mentioned hereinafter are the author's development. Behind additional information contact link. - Database manufacturer's note.
The elasticity of the film during bending is determined on plates of black tin according to the NTD, 20x150 mm in size, 0.25-0.28 mm thick.
The remaining indicators are determined on plates made of steel grades 08 kp and 08 ps according to GOST 16523, size 70x150 mm, thickness 0.8-0.9 mm.
Conditional viscosity, degree of dilution, mass fraction of non-volatile substances and degree of grinding are determined in undiluted primer.
When determining the remaining indicators, the primer is thoroughly mixed, diluted to a viscosity of 22-24 s according to a VZ-4 type viscometer with a nozzle diameter of (4.000 ± 0.015) mm at (20.0 ± 0.5) ° C with solvent or xylene, filtered through a sieve with grid N 01-05 ( GOST 6613) and applied with a paint sprayer on the prepared plates.
When determining the resistance of the film to the static effect of a 3% sodium chloride solution and mineral oil, the primer is applied in two layers on both sides of the plate.
Drying of each layer at (105±5) °C - for 35 minutes.
When determining other indicators, the primer is applied in one layer.
Drying of a single-layer film at (105±5) °C - for 35 minutes.
The thickness of a single-layer dried film should be 15-20 microns, a two-layer - 30-40 microns.
After drying, before testing, the plates are kept for 3 hours at (20 ± 2) °C.
4.1, 4.2. (Changed edition, Rev. N 1).
4.3. Color and appearance primer films are determined visually in natural diffused light.
4.4. Determination of the degree of dilution of the primer with a solvent
120-130 g of primer is weighed with an error of not more than 0.1 g and diluted with solvent or xylene to a viscosity of 22-24 s according to a VZ-4 type viscometer with a nozzle diameter of (4.000 ± 0.015) mm at (20.0 ± 0.5) °C.
The degree of dilution in percent is calculated by the formula
where is the mass of the primer, g;
is the mass of the solvent used to dilute the primer, g.
4.5. Mass fraction non-volatile substances are determined by GOST 17537.
A sample weighing (2.0 ± 0.2) g is placed in drying cabinet and maintained at a temperature of (140±2) °C. The first weighing is carried out after 1 hour, subsequent - every 30 minutes until constant weight.
It is allowed to determine the mass fraction of non-volatile substances under infrared lamp at a temperature of (142±2) °С. In case of disagreement in the assessment of this indicator, the final result is the determination in an oven.
4.4, 4.5. (Changed edition, Rev. N 1)
4.6. (Excluded, Rev. N 1).
4.7. Film resistance to static effect of 3% sodium chloride solution
Before inspection, the samples are kept in air at (20 ± 2) ° C for 1 hour, then examined with the naked eye.
).
Each layer of nitroenamel is dried at (20 ± 2) °C for 10 minutes.
The thickness of each layer of enamel should be 20-25 microns.
The enamel film should not peel off, wrinkle, crack.
4.10. Film resistance to static effect of mineral oil
After the test, the plate is kept in air at (20 ± 2) ° C for 2 hours and examined with the naked eye.
(Changed edition, Rev. N 1).
4.11. Definition of delamination
Glass graduated cylinder 2-100 on GOST 1770 fill with diluted primer up to the 100 cm mark and leave at rest at a temperature of (20 ± 2) ° C for 24 hours, after which the volume of the separated layer in the upper part of the cylinder is determined.
(Introduced additionally, Rev. N 1).
5. PACKAGING, LABELING, TRANSPORT AND STORAGE
5.1. Packaging - according to, class 3, drawing 3, classification code 3313 and handling sign "Sealed packaging" according to GOST 14192.
________________
* In the territory Russian Federation the document is not valid. Active GOST 9980.5-2009, hereinafter in the text. - Database manufacturer's note.
Section 5. (Changed edition, Rev. N 1).
6. MANUFACTURER WARRANTY
6.1. The manufacturer guarantees the conformity of the primers to the requirements of this standard subject to the conditions of storage and transportation.
6.2. The guaranteed shelf life of the primer GF-021 is six months from the date of manufacture.
APPENDIX (mandatory). Purpose, precautions, method of application of primer GF-021 intended for retail trade
APPENDIX
Mandatory
Primer GF-021 is intended for painting metal and wooden surfaces under coatings of various enamels.
Before use, the primer is thoroughly mixed, if necessary, diluted with solvents RS-2, 649, 650.
The surface to be painted must be treated with sandpaper and degreased with a solvent.
When applying a primer to an old coating, the latter must be sanded and washed with a solvent. The primer is applied with a brush or spray gun. Drying time of a single-layer coating at a temperature of (20 ± 2) ° C - 24 hours.
Primer consumption - 60-100 g/m for a single-layer coating.
The primer should be stored in a tightly closed container, protected from moisture and direct sunlight.
Keep away from fire.
If a film forms on the surface of the primer during storage, it should be removed before use and the primer thoroughly mixed.
During painting work, as well as after their completion, it is necessary to carefully ventilate the room. Used to protect hands rubber gloves.
(Introduced additionally, Rev. N 1).
Electronic text of the document
prepared by CJSC "Kodeks" and checked against:
official publication
M.: Standartinform, 2006
INTERSTATE STANDARD
PRIMER GF-021
TECHNICAL CONDITIONS
Moscow
Standartinform
INTERSTATE STANDARD
Date of introduction 01.01.83
This standard applies to primer GF-021, which is a suspension of pigments and fillers in alkyd varnish with the addition of solvents, desiccants and stabilizing agents.
The primer is intended for priming metal and wooden surfaces under coatings with various enamels.
The primer film is resistant to temperature changes from minus 45 to 60 °C.
The standard does not apply to the primer for agricultural machinery.
1.TECHNICAL REQUIREMENTS
1.1. Primer GF-021 must be produced in accordance with the requirements of this standard for the recipe and technological regulations approved in the prescribed manner.
1.2. Primer GF-021 is applied to the surface by pneumatic and airless spraying, spraying in an electric field, jet pouring, dipping, brush.
1.3. Before use, the primer is diluted to working viscosity with a solvent (GOST 10214 or GOST 1928), xylene (GOST 9949 or GOST 9410), or a mixture of one of these solvents with white spirit (nefras-SCH-155/200) according to GOST 3134 in a ratio by weight 1:1.
For painting products by spraying in an electric field, the primer is diluted with RE-4V thinner (GOST 18187).
1.4. The primer must comply with the requirements and standards specified in Table. one.
Table 1
|
Name of indicator |
Test method |
|
|
1. Primer film color |
Red-brown, shade not standardized |
|
|
3. Film appearance |
After drying, the film should be smooth, uniform, matte or semi-gloss |
|
|
3. Nominal viscosity at (20.0±0.5)°C according to VZ-4 viscometer, s, not less than |
According to GOST 8420 |
|
|
4. The degree of dilution of the primer with a solvent,%, no more |
||
|
5. Mass fraction of non-volatile substances, % |
According to GOST 17537, sec. 1 and clause 4.5 of this standard |
|
|
6. The degree of grinding, microns, no more |
According to GOST 6589 |
|
|
7. Drying time up to degree 3, no more than at (105±5)°C, min |
According to GOST 19007 |
|
|
(20±2) °С, h |
||
|
8. Hardness of the film according to the pendulum device M-3, arbitrary units, not less than |
According to GOST 5233 |
|
|
9. Elasticity of the film in bending, mm, no more |
According to GOST 6806 |
|
|
10. Impact strength of the film on a U-1 device, cm, not less than |
According to GOST 4765 |
|
|
11. Film adhesion, points, no more |
According to GOST 15140, sec. 2 |
|
|
12. Film resistance to static effect of 3% sodium chloride solution, h, not less than |
According to GOST 9.403, sec. 2 and clause 4.7 of this standard |
|
|
13. The ability of the film to be sanded |
The film during grinding should form a flat surface and not salt the skin |
|
|
14. Resistance of the film to the action of nitro enamel |
There should be no peeling, wrinkling, cracking of the nitro enamel film applied to the primer |
|
|
15. Film resistance to static effect of mineral oil at (20±2)°C, h, not less than |
According to GOST 9.403, sec. 2 and clause 4.10 of this standard |
|
|
16. Delamination, ml, no more |
Note. The formation of an easily stirred sediment during storage is allowed, as well as an increase in the degree of dilution of the primer, if, after thorough mixing and dilution, the primer meets the requirements of this standard.
(Changed edition, Rev. No. 1, 2).
2. SAFETY REQUIREMENTS
2.1. Primer GF-021 is a flammable and toxic material, which is due to the properties of the solvents that make up the primer (Table 2).
Vapors of solvents, which are part of the primer, irritate the mucous membranes of the eyes, respiratory tract and skin.
table 2
(Revised edition, Rev. No. 1).
2.2. During the production, application, testing of the primer, the requirements of fire safety and industrial sanitation in accordance with GOST 12.3.005 must be observed.
2.3. All work related to the manufacture, application and testing of the primer must be carried out in workshops equipped with supply and exhaust ventilation and fire fighting equipment in accordance with GOST 12.3.005.
2.4. Precautions: sealing production equipment, providing workers with personal protective equipment that meets the requirements of GOST 12.4.011.
2.5. Coating with a primer after drying does not have a harmful effect on the human body.
2.6. Control over the state of the air environment - according to GOST 12.1.007 and GOST 17.2.3.02.
3. ACCEPTANCE RULES
3.1. Acceptance rules - according to GOST 9980.1.
3.2. Indicators 8, 10, 12, 13, 15 tab. 1 manufacturer determines periodically in every twentieth batch.
3.1, 3.2.(Changed edition, Rev. No. 1).
4. TEST METHODS
4.1. Sampling - according to GOST 9980.2.
4.2 . Preparing for the test
Plates for applying a primer are prepared according to GOST 8832, Sec. 3.
The hardness of the film is determined on glass for photographic plates 9´12-1.2 according to TU 6-43-0205133-03-91.
The elasticity of the film during bending is determined on plates of black tin according to the NTD, 20x150 mm in size, 0.25 - 0.28 mm thick.
The remaining indicators are determined on plates made of steel grades 08 kp and 08 ps according to GOST 16523, 70x150 mm in size, 0.8 - 0.9 mm thick.
Conditional viscosity, degree of dilution, mass fraction of non-volatile substances and degree of grinding are determined in undiluted primer.
When determining other indicators, the primer is thoroughly mixed, diluted to a viscosity of 22–24 s according to a VZ-4 viscometer with a nozzle diameter of (4.000 ± 0.015) mm at (20.0 ± 0.5) ° C with solvent or xylene, filtered through a sieve with grid No. 01-05 (GOST 6613) and applied with a paint sprayer on the prepared plates.
When determining the resistance of the film to the static effect of a 3% solution of sodium chloride and mineral oil, the primer is applied in two layers on both sides of the plate.
Drying of each layer at (105 ± 5) °C - for 35 minutes. When determining other indicators, the primer is applied in one layer.
Drying of a single-layer film at (105 ± 5) °C - for 35 minutes.
The thickness of a single-layer dried film should be 15-20 microns, a two-layer - 30-40 microns.
After drying, the plates are kept for 3 h at (20 ± 2) °C before testing.
4.1, 4.2.(Revised edition, Rev. No. 1).
4.3. The color and appearance of the primer film is determined visually under natural diffused light.
4.4 .Determination of the degree of dilution of the primer with a solvent
120 - 130 g of primer is weighed with an error of not more than 0.1 g and diluted with solvent or xylene to a viscosity of 22 - 24 s according to a VZ-4 viscometer with a nozzle diameter of (4.000 ± 0.015) mm at (20.0 ± 0.5) °C.
The degree of dilution ( X) as a percentage is calculated by the formula
where t - primer weight, g;
m 1 is the mass of the solvent used to dilute the primer, g.
4.5. The mass fraction of non-volatile substances is determined according to GOST 17537.
A sample weighing (2.0 ± 0.2) g is placed in an oven and kept at a temperature of (140 ± 2) °C. The first weighing is carried out after 1 hour, subsequent - every 30 minutes until constant weight.
It is allowed to determine the mass fraction of non-volatile substances under an infrared lamp at a temperature of (142 ± 2) °С. In case of disagreement, in the assessment of this indicator, the final result is the determination in the drying cabinet.
4.4, 4.5. (Changed edition, Rev. No. 1).
4.6.(Deleted, Rev. No. 1).
4.7 . Film resistance to static effect of 3% sodium chloride solution
Before inspection, the samples are kept in air at (20 ± 2) °C for 1 hour, then examined with the naked eye.
4.8 . Determination of the ability of the primer film to be sanded
A plate with a dried film prepared according to clause 4.2 is ground with a sandpaper with a grain size of 4 - 5 according to GOST 6456 or GOST 10054.
4.7, 4.8.(Revised edition, Rev. No. 1).
4.9. Determination of the resistance of the film to the action of nitroenamel
Three layers of enamel NTs-11 (GOST 9198) or NTs-25 (GOST 5406) are applied to the primer film prepared according to clause 4.2 10 minutes after drying with a paint sprayer.
Each layer of nitro enamel is dried at (20 ± 2) °C for 10 min.
The thickness of each layer of enamel should be 20 - 25 microns.
The enamel film should not peel off, wrinkle, crack.
4.10 . Film resistance to static effect of mineral oil
After the test, the plate is kept in air at (20 ± 2) °C for 2 hours and examined with the naked eye.
(Revised edition, Rev. No. 1).
4.11 . Definition of delamination
Graduated glass cylinder 2 - 100 according to GOST 1770 is filled with a diluted primer to the mark of 100 cm3 and left at rest at a temperature of (20 ± 2) ° C for 24 hours, after which the volume of the separated layer in the upper part of the cylinder is determined.
(Introduced additionally, Rev. No. 1).
5. PACKAGING, LABELING, TRANSPORT AND STORAGE
5.1. Packaging - according to GOST 9980.3, group 5.
5.2. Marking - according to GOST 9980.4.
Purpose, method of application and precautions for handling primer for retail indicated in the mandatory application.
5.3. Transportation and storage - in accordance with GOST 9980.5. The transport container must be additionally marked with a danger sign in accordance with GOST 19433, class 3, fig. 3, classification code 3313 and manipulation sign "Sealed packaging" in accordance with GOST 14192.
Sec. 5. (Revised edition, Rev. No. 1).
6. MANUFACTURER WARRANTY
6.1. The manufacturer guarantees the conformity of the primers to the requirements of this standard subject to the conditions of storage and transportation.
6.2. The guaranteed shelf life of the primer GF-021 is six months from the date of manufacture.
APPENDIX
Mandatory
Purpose, precautions, method of application of the primer GF-021,
intended for retail
Primer GF-021 is intended for painting metal and wooden surfaces under coatings with various enamels.
Before use, the primer is thoroughly mixed, if necessary, diluted with solvents RS-2, 649, 650.
The surface to be painted must be treated with sandpaper and degreased with a solvent.
When applying a primer to an old coating, the latter must be sanded and washed with a solvent. The primer is applied with a brush or spray gun. Drying time of a single-layer coating at a temperature of (20 ± 2) ° C - 24 hours.
Primer consumption - 60-100 g/m2 for a single-layer coating.
The primer should be stored in a tightly closed container, protected from moisture and direct sunlight.
Keep away from fire.
If a film forms on the surface of the primer during storage, it should be removed before use and the primer thoroughly mixed.
During painting work, as well as after their completion, it is necessary to carefully ventilate the room. Rubber gloves are used to protect hands.
(Introduced additionally, Amendment No. 1).
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry chemical industry the USSR
2. APPROVED AND INTRODUCED BY Decree State Committee USSR according to the standards of 10.02.82 No. 526
3. REFERENCE REGULATIONS AND TECHNICAL DOCUMENTS
|
Item number |
Item number |
||
|
GOST 9.403-80 |
GOST 9410-78 |
||
|
GOST 12.1.007-76 |
GOST 9949-76 |
||
|
GOST 12.3.005-75 |
GOST 9980.1-86 |
||
|
GOST 12.4.011-89 |
GOST 9980.2-86 |
||
|
GOST 17.2.3.02 |
GOST 9980.3-86 |
||
|
GOST 1770-74 |
GOST 9980.4-86 |
||
|
GOST 1928-79 |
GOST 9980.5-86 |
||
|
GOST 3134-78 |
GOST 10054-82 |
||
|
GOST 4765-73 |
GOST 10214-78 |
||
|
GOST 5233-89 |
GOST 14192-96 |
||
|
GOST 5406-84 |
GOST 15140-78 |
||
|
GOST 6456-82 |
GOST 16523-97 |
||
|
GOST 6589-74 |
GOST 17537-72 |
||
|
GOST 6613-86 |
GOST 18187-72 |
||
|
GOST 6806-73 |
GOST 19007-73 |
||
|
GOST 8420-74 |
GOST 19433-88 |
||
|
GOST 8832-76 |
TU 6-43-0205133-03-91 |
||
|
GOST 9198-83 |
4. The validity period was removed according to the protocol of the Interstate Council for Standardization, Metrology and Certification (IUS 4-94)
5. EDITION (April 2006) with Amendments No. 1, 2, approved in June 1987, June 1989 (IUS 9-87, 10-89)
4. The degree of dilution of the primer with a solvent,%, no more
5. Mass fraction of non-volatile substances, %
________________
GOST R 52753-2007
7. Drying time up to degree 3, no more at (105±5) °С, min
(20±2) °С, h
8. Hardness of the film according to the pendulum device M-3, arbitrary units, not less than
9. Elasticity of the film in bending, mm, no more
10. Impact strength of the film on a U-1 device, cm, not less than
11. Film adhesion, points, no more
According to GOST 15140, section 2
12. Film resistance to static effect of 3% sodium chloride solution, h, not less than
According to GOST 9.403, section 2 and clause 4.7 of this standard
13. The ability of the film to be sanded
The film during grinding should form a flat surface and not salt the skin
14. Resistance of the film to the action of nitro enamel
There should be no peeling, wrinkling, cracking of the nitro enamel film applied to the primer
15. Film resistance to static effect of mineral oil at (20±2) °C, h, not less than
According to GOST 9.403, section 2 and clause 4.10 of this standard
16. Delamination, ml, no more
Note. The formation of an easily stirred sediment during storage is allowed, as well as an increase in the degree of dilution of the primer, if, after thorough mixing and dilution, the primer meets the requirements of this standard.
(Changed edition, Rev. N 1, 2).
2. SAFETY REQUIREMENTS
2.1. Primer GF-021 is a flammable and toxic material, due to the properties of the solvents that make up the primer (table 2).
Vapors of solvents, which are part of the primer, irritate the mucous membranes of the eyes, respiratory tract and skin.
table 2
Component name | Maximum permissible concentration in the air of the working area of industrial | Temperature, °С | Concentration ignition limits, % (by volume) | Hazard Class |
|
spontaneous ignition | |||||
Not less than 24 | Not higher than 450 | ||||
Solvent | |||||
White Spirit | |||||
2.2. During the production, application, testing of the primer, the requirements of fire safety and industrial sanitation in accordance with GOST 12.3.005 must be observed.
2.3. All work related to the manufacture, application and testing of the primer must be carried out in workshops equipped with supply and exhaust ventilation and fire fighting equipment in accordance with GOST 12.3.005.
2.4. Precautions: sealing production equipment, providing workers with personal protective equipment that meets the requirements of GOST 12.4.011.
2.5. Coating with a primer after drying does not have a harmful effect on the human body.
2.6. Control over the state of the air environment - according to GOST 12.1.007 and GOST 17.2.3.02.
3. ACCEPTANCE RULES
3.1. Acceptance rules - according to GOST 9980.1.
3.2. Indicators 8, 10, 12, 13, 15 of Table 1 are determined by the manufacturer periodically in every twentieth batch.
3.1, 3.2. (Changed edition, Rev. N 1).
4. TEST METHODS
4.1. Sampling - according to GOST 9980.2.
4.2. Preparing for the test
Plates for applying a primer are prepared according to GOST 8832, section 3.
Film hardness is determined on glass for photographic plates 9x12-1.2 according to TU 6-43-0205133-03*.
________________
* Specifications mentioned hereinafter are the author's development. See the link for more information. - Database manufacturer's note.
The elasticity of the film during bending is determined on plates of black tin according to the NTD, 20x150 mm in size, 0.25-0.28 mm thick.
The remaining indicators are determined on plates made of steel grades 08 kp and 08 ps according to GOST 16523, 70x150 mm in size, 0.8-0.9 mm thick.
Conditional viscosity, degree of dilution, mass fraction of non-volatile substances and degree of grinding are determined in undiluted primer.
When determining the remaining indicators, the primer is thoroughly mixed, diluted to a viscosity of 22-24 s according to a VZ-4 type viscometer with a nozzle diameter of (4.000 ± 0.015) mm at (20.0 ± 0.5) ° C with solvent or xylene, filtered through a sieve with grid N 01-05 (GOST 6613) and applied with a paint sprayer on the prepared plates.
When determining the resistance of the film to the static effect of a 3% sodium chloride solution and mineral oil, the primer is applied in two layers on both sides of the plate.
Drying of each layer at (105±5) °C - for 35 minutes.
When determining other indicators, the primer is applied in one layer.
Drying of a single-layer film at (105±5) °C - for 35 minutes.
The thickness of a single-layer dried film should be 15-20 microns, a two-layer - 30-40 microns.
After drying, before testing, the plates are kept for 3 hours at (20 ± 2) °C.
4.1, 4.2. (Changed edition, Rev. N 1).
4.3. The color and appearance of the primer film is determined visually under natural diffused light.
4.4. Determination of the degree of dilution of the primer with a solvent
120-130 g of primer is weighed with an error of not more than 0.1 g and diluted with solvent or xylene to a viscosity of 22-24 s according to a VZ-4 type viscometer with a nozzle diameter of (4.000 ± 0.015) mm at (20.0 ± 0.5) °C.
The degree of dilution in percent is calculated by the formula
where is the mass of the primer, g;
is the mass of the solvent used to dilute the primer, g.
4.5. The mass fraction of non-volatile substances is determined according to GOST 17537.
A sample weighing (2.0 ± 0.2) g is placed in an oven and kept at a temperature of (140 ± 2) °C. The first weighing is carried out after 1 hour, subsequent - every 30 minutes until constant weight.
It is allowed to determine the mass fraction of non-volatile substances under an infrared lamp at a temperature of (142±2) °C. In case of disagreement in the assessment of this indicator, the final result is the determination in an oven.
4.4, 4.5. (Changed edition, Rev. N 1)
4.6. (Excluded, Rev. N 1).
4.7. Film resistance to static effect of 3% sodium chloride solution
Before inspection, the samples are kept in air at (20 ± 2) ° C for 1 hour, then examined with the naked eye.
4.8. Determination of the ability of the primer film to be sanded
A plate with a dried film prepared according to clause 4.2 is polished with a sandpaper with a grain size of 4-5 according to GOST 6456 or GOST 10054.
4.7, 4.8. (Changed edition, Rev. N 1).
4.9. Determination of the resistance of the film to the action of nitroenamel
Three layers of NTs-11 (GOST 9198) or NTs-25 (GOST 5406) enamel are applied to the primer film prepared according to clause 4.2 10 minutes after drying with a paint sprayer.
Each layer of nitroenamel is dried at (20 ± 2) °C for 10 minutes.
The thickness of each layer of enamel should be 20-25 microns.
The enamel film should not peel off, wrinkle, crack.
4.10. Film resistance to static effect of mineral oil
After the test, the plate is kept in air at (20 ± 2) ° C for 2 hours and examined with the naked eye.
(Changed edition, Rev. N 1).
4.11. Definition of delamination
Graduated glass cylinder 2-100 according to GOST 1770 is filled with a diluted primer up to a mark of 100 cm and left at rest at a temperature of (20 ± 2) ° C for 24 hours, after which the volume of the separated layer in the upper part of the cylinder is determined.
(Introduced additionally, Rev. N 1).
5. PACKAGING, LABELING, TRANSPORT AND STORAGE
*. The transport container must be additionally marked with a danger sign in accordance with GOST 19433, class 3, drawing 3, classification code 3313 and a handling sign "Sealed packaging" in accordance with GOST 14192.
________________
* The document is not valid on the territory of the Russian Federation. GOST 9980.5-2009 is valid, hereinafter in the text. - Database manufacturer's note.
Section 5. (Changed edition, Rev. N 1).
6. MANUFACTURER WARRANTY
6.1. The manufacturer guarantees the conformity of the primers to the requirements of this standard subject to the conditions of storage and transportation.
6.2. The guaranteed shelf life of the primer GF-021 is six months from the date of manufacture.
APPENDIX (mandatory). Purpose, precautions, method of application of primer GF-021 intended for retail trade
APPENDIX
Mandatory
Primer GF-021 is intended for painting metal and wooden surfaces under coatings with various enamels.
Before use, the primer is thoroughly mixed, if necessary, diluted with solvents RS-2, 649, 650.
The surface to be painted must be treated with sandpaper and degreased with a solvent.
When applying a primer to an old coating, the latter must be sanded and washed with a solvent. The primer is applied with a brush or spray gun. Drying time of a single-layer coating at a temperature of (20 ± 2) ° C - 24 hours.
Primer consumption - 60-100 g/m for a single-layer coating.
The primer should be stored in a tightly closed container, protected from moisture and direct sunlight.
Keep away from fire.
If a film forms on the surface of the primer during storage, it should be removed before use and the primer thoroughly mixed.
During painting work, as well as after their completion, it is necessary to carefully ventilate the room. Rubber gloves are used to protect hands.
(Introduced additionally, Rev. N 1).
Electronic text of the document
prepared by CJSC "Kodeks" and checked against:
official publication
M.: Standartinform, 2006
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INTERSTATE STANDARD
PRIMER GF-021
TECHNICAL CONDITIONS
Moscow
Standartinform
INTERSTATE STANDARD
Date of introduction 01.01.83
This standard applies to primer GF-021, which is a suspension of pigments and fillers in alkyd varnish with the addition of solvents, desiccants and stabilizing agents.
The primer is intended for priming metal and wooden surfaces under coatings with various enamels.
The primer film is resistant to temperature changes from minus 45 to 60 °C.
The standard does not apply to the primer for agricultural machinery.
(Changed edition, Rev. No. 1, 2).
1.TECHNICAL REQUIREMENTS
1.1. The primer GF-021 must be produced in accordance with the requirements of this standard according to the recipe and technological regulations approved in the prescribed manner.
1.2. Primer GF-021 is applied to the surface by pneumatic and airless spraying, spraying in an electric field, jet pouring, dipping, brush.
1.3. Before use, the primer is diluted to working viscosity with a solvent (GOST 10214 or GOST 1928), xylene (GOST 9949 or GOST 9410), or a mixture of one of these solvents with white spirit (nefras-SCH-155/200) according to GOST 3134 in the ratio according to weight 1:1.
For painting products by spraying in an electric field, the primer is diluted with RE-4V thinner (GOST 18187).
1.4. The primer must comply with the requirements and standards specified in Table. one.
Table 1
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Name of indicator |
Test method |
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1. Primer film color |
Red-brown, shade not standardized |
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3. Film appearance |
After drying, the film should be smooth, uniform, matte or semi-gloss |
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3. Nominal viscosity at (20.0±0.5)°C according to VZ-4 viscometer, s, not less than |
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4. The degree of dilution of the primer with a solvent,%, no more |
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5. Mass fraction of non-volatile substances, % |
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7. Drying time up to degree 3, no more than at (105±5)°C, min |
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(20±2) °С, h |
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8. Hardness of the film according to the pendulum device M-3, arbitrary units, not less than |
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9. Elasticity of the film in bending, mm, no more |
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10. Impact strength of the film on a U-1 device, cm, not less than |
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11. Film adhesion, points, no more |
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12. Film resistance to static effect of 3% sodium chloride solution, h, not less than |
2.3. All work related to the manufacture, application and testing of the primer must be carried out in workshops equipped with supply and exhaust ventilation and fire fighting equipment in accordance with GOST 12.3.005. 2.4. Precautions: sealing production equipment, providing workers with personal protective equipment that meets the requirements of GOST 12.4.011. 2.5. Coating with a primer after drying does not have a harmful effect on the human body. 2.6. Control over the state of the air environment - according to GOST 12.1.007 and GOST 17.2.3.02. 3. ACCEPTANCE RULES3.2. Indicators 8, 10, 12, 13, 15 tab. 1 manufacturer determines periodically in every twentieth batch. 3.1, 3.2.(Changed edition, Rev. No. 1). 4. TEST METHODS4.2 . Preparing for the test Plates for applying a primer are prepared according to GOST 8832, sec. 3. The hardness of the film is determined on glass for photographic plates 9´12-1.2 according to TU 6-43-0205133-03-91. The elasticity of the film during bending is determined on plates of black tin according to the NTD, 20x150 mm in size, 0.25 - 0.28 mm thick. The remaining indicators are determined on plates of steel grades 08 kp and 08 ps according to GOST 16523, 70x150 mm in size, 0.8 - 0.9 mm thick. Conditional viscosity, degree of dilution, mass fraction of non-volatile substances and degree of grinding are determined in undiluted primer. When determining other indicators, the primer is thoroughly mixed, diluted to a viscosity of 22–24 s according to a VZ-4 viscometer with a nozzle diameter of (4.000 ± 0.015) mm at (20.0 ± 0.5) ° C with solvent or xylene, filtered through a sieve with grid No. 01-05 (GOST 6613) and applied with a paint sprayer on the prepared plates. When determining the resistance of the film to the static effect of a 3% solution of sodium chloride and mineral oil, the primer is applied in two layers on both sides of the plate. Drying of each layer at (105 ± 5) °C - for 35 minutes. When determining other indicators, the primer is applied in one layer. Drying of a single-layer film at (105 ± 5) °C - for 35 minutes. The thickness of a single-layer dried film should be 15-20 microns, a two-layer - 30-40 microns. After drying, the plates are kept for 3 h at (20 ± 2) °C before testing. 4.1, 4.2. 4.3. The color and appearance of the primer film is determined visually under natural diffused light. 4.4 .Determination of the degree of dilution of the primer with a solvent 120 - 130 g of primer is weighed with an error of not more than 0.1 g and diluted with solvent or xylene to a viscosity of 22 - 24 s according to a VZ-4 viscometer with a nozzle diameter of (4.000 ± 0.015) mm at (20.0 ± 0.5) °C. The degree of dilution ( X) as a percentage is calculated by the formula where t - primer weight, g; m 1 is the mass of the solvent used to dilute the primer, g. 4.5. The mass fraction of non-volatile substances is determined according to GOST 17537. A sample weighing (2.0 ± 0.2) g is placed in an oven and kept at a temperature of (140 ± 2) °C. The first weighing is carried out after 1 hour, subsequent - every 30 minutes until constant weight. It is allowed to determine the mass fraction of non-volatile substances under an infrared lamp at a temperature of (142 ± 2) °С. In case of disagreement, in the assessment of this indicator, the final result is the determination in the drying cabinet. 4.4, 4.5. (Changed edition, Rev. No. 1). 4.6.(Deleted, Rev. No. 1). 4.7 . Film resistance to static effect of 3% sodium chloride solution Before inspection, the samples are kept in air at (20 ± 2) °C for 1 hour, then examined with the naked eye. 4.8 . Determination of the ability of the primer film to be sanded A plate with a dried film prepared according to clause 4.2 is ground with a sandpaper with a grain size of 4 - 5 according to GOST 6456 or GOST 10054. 4.7, 4.8.(Revised edition, Rev. No. 1). 4.9. Determination of the resistance of the film to the action of nitroenamel Three layers of enamel NTs-11 (GOST 9198) or NTs-25 (GOST 5406) are applied to the primer film prepared according to clause 4.2 10 minutes after drying with a paint sprayer. Each layer of nitro enamel is dried at (20 ± 2) °C for 10 min. The thickness of each layer of enamel should be 20 - 25 microns. The enamel film should not peel off, wrinkle, crack. 4.10 . Film resistance to static effect of mineral oil After the test, the plate is kept in air at (20 ± 2) °C for 2 hours and examined with the naked eye. (Revised edition, Rev. No. 1). 4.11 . Definition of delamination Graduated glass cylinder 2 - 100 according to GOST 1770 is filled with a diluted primer to the mark of 100 cm 3 and left at rest at a temperature of (20 ± 2) ° C for 24 hours, after which the volume of the separated layer in the upper part of the cylinder is determined. (Introduced additionally, Rev. No. 1). 5. PACKAGING, LABELING, TRANSPORT AND STORAGEThe purpose, method of application and precautions for handling retail primer are indicated in the mandatory appendix. 5.3. Transportation and storage - according to GOST 9980.5. The transport container must be additionally marked with a danger sign in accordance with GOST 19433, class 3, hell. 3, classification code 3313 and manipulation sign "Sealed packaging" in accordance with GOST 14192. Sec. 5. (Revised edition, Rev. No. 1). 6. MANUFACTURER WARRANTY6.1. The manufacturer guarantees the conformity of the primers to the requirements of this standard subject to the conditions of storage and transportation. 6.2. The guaranteed shelf life of the primer GF-021 is six months from the date of manufacture. APPENDIXMandatory Purpose, precautions, method of application of the primer GF-021,
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Item number |
Item number |
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STATE STANDARD OF THE UNION OF THE SSR
PRIMER GF-021
TECHNICAL CONDITIONS
GOST 25129-82
STANDARDS PUBLISHING HOUSE
Moscow
STATE STANDARD OF THE UNION OF THE SSR
Introduction date 01.01.83
This standard applies to primer GF-021, which is a suspension of pigments and fillers in alkyd varnish with the addition of solvents, desiccants and stabilizing agents.
The primer is intended for priming metal and wooden surfaces under coatings with various enamels.
The primer film is resistant to temperature changes from minus 45 to 60° WITH.
The standard does not apply to the primer for agricultural machinery.
1.TECHNICAL REQUIREMENTS
1.1. The primer GF-021 must be manufactured in accordance with the requirements of this standard according to the recipe and technological regulations approved in the prescribed manner.
1.2. Primer GF-021 is applied to the surface by pneumatic and airless spraying, spraying in an electric field, jet pouring, dipping, brush.
3. Film appearance
After drying, the film should be smooth, uniform, matte or semi-gloss
3. Relative viscosity at (20.0±0.5)° C according to VZ-4 viscometer, s, not less than
According to GOST 8120-74
4. The degree of dilution of the primer with a solvent,%, no more
5. Mass fraction of non-volatile substances, %
54-60
According to GOST 17537-72, sec. 1 and this standard
6. The degree of grinding, microns, no more
7. Drying time up to degree 3, no more than at (105±5)°C, min
(20±2) °С, h
8. Hardness of the film according to the pendulum device M-3, arbitrary units, not less than
0,35
According to GOST 5233-89
9. Elasticity of the film in bending, mm, no more
According to GOST 6806-73
10. Impact strength of the film on a U-1 device, cm, not less than
11. Film adhesion, points, no more
14. Resistance of the film to the action of nitro enamel
There should be no peeling, wrinkling, cracking of the nitro enamel film applied to the primer
15. Film resistance to static effect of mineral oil at (20±2)°C, h, not less than
According to GOST 9.403-80, sec. 2 and this standard
16. Delamination, ml, no more
Note. The formation of an easily stirred sediment during storage is allowed, as well as an increase in the degree of dilution of the primer, if, after thorough mixing and dilution, the primer meets the requirements of this standard.
(Changed edition, Rev. No. 1, 2).
2. SAFETY REQUIREMENTS
2.1. Primer GF-021 is a flammable and toxic material, due to the properties of the solvents that make up the primer ().
Vapors of solvents, which are part of the primer, irritate the mucous membranes of the eyes, respiratory tract and skin.
2.5. Coating with a primer after drying does not have a harmful effect on the human body.
3. ACCEPTANCE RULES
3.1 . Acceptance rules - according toGOST 9980.1-86.
3.2. Indicators 8, 10, 12, 13, 15 are determined by the manufacturer periodically in every twentieth batch.
3.1, 3.2.(Changed edition, Rev. No. 1).
4. TEST METHODS
4.1 . Sampling - by GOST 9980.2-86.
4.2 . Preparing for the test
Plates for applying a primer are prepared according to GOST 8832-76, sec. 3.
Film hardness is determined on photographic plate glass 9´ 12-1.2 according to TU 6-43-0205133-03-91.
The elasticity of the film during bending is determined on black tin plates according to NTD, size 20´ 150 mm, thickness 0.25 - 0.28 mm.
The remaining indicators are determined on plates made of steel grades 08 kp and 08 ps according toGOST 16523-89, size 70 ´ 150 mm, thickness 0.8 - 0.9 mm.
Conditional viscosity, degree of dilution, mass fraction of non-volatile substances and degree of grinding are determined in undiluted primer.
When determining the remaining indicators, the primer is thoroughly mixed, diluted to a viscosity of 22 - 24 s according to a VZ-4 viscometer with a nozzle diameter of (4.000 ± 0.015) mm at (20.0 ± 0.5) ° C with solvent or xylene, filtered through a sieve with grid No. 01-05 (GOST 6613-86) and applied with a paint sprayer on prepared plates.
When determining the resistance of the film to the static effect of a 3% sodium chloride solution and mineral oil, the primer is applied in two layers on both sides of the plate.
Drying of each layer at (105±5)°C for 35 minutes. When determining other indicators, the primer is applied in one layer.
Drying of a single-layer film at (105±5)°C - for 35 minutes.
The thickness of a single-layer dried film should be 15-20 microns, a two-layer - 30-40 microns.
After drying, before testing, the plates are kept for 3 hours at (20 ± 2)° C.
4.1, 4.2.
4.3 . The color and appearance of the primer film is determined visually under natural diffused light.
4.4 .Determination of the degree of dilution of the primer with a solvent
120 - 130 g of the primer is weighed with an error of not more than 0.1 g and diluted with solvent or xylene to a viscosity of 22 - 24 s according to a VZ-4 type viscometer with a nozzle diameter of (4.000 ± 0.015) mm at (20.0 ± 0.5) °C.
The degree of dilution ( X) as a percentage is calculated by the formula
where t - primer weight, g;
m 1 is the mass of the solvent used to dilute the primer, g.
4.5 . The mass fraction of non-volatile substances is determined by GOST 17537-72.
A sample weighing (2.0±0.2) g is placed in an oven and kept at a temperature of (140±2)°C. The first weighing is carried out after 1 hour, subsequent - every 30 minutes until constant weight.
It is allowed to determine the mass fraction of non-volatile substances under an infrared lamp at a temperature of (142 ± 2) ° С. In case of disagreement, in the assessment of this indicator, the final result is the determination in the drying cabinet.
4.4, 4.5. (Changed edition, Rev. No. 1).
4.6.(Deleted, Rev. No. 1).
4.7 . Film resistance to static effect of 3% sodium chloride solution
Before inspection, the samples are kept in air at (20 ± 2)°C for 1 hour, then examined with the naked eye.
4.8 . Determination of the ability of the primer film to be sanded
A plate with a dried film, prepared according to, is polished with a sandpaper with a grain size of 4 - 5 GOST 6456-82 or GOST 10054-82.
4.7, 4.8.(Revised edition, Rev. No. 1).
4.9. Determination of the resistance of the film to the action of nitroenamel
Three layers of NTs-11 enamel ( GOST 9198-83) or NTs-25 (GOST 5406-84).
Each layer of nitroenamel is dried at (20±2)°C for 10 min.
The thickness of each layer of enamel should be 20 - 25 microns.
The enamel film should not peel off, wrinkle, crack.
4.10 . Film resistance to static effect of mineral oil
After the test, the plate is kept in air at (20 ± 2) ° C for 2 hours and examined with the naked eye.
(Revised edition, Rev. No. 1).
4.11 . Definition of delamination
Glass graduated cylinder 2 - 100 onGOST 1770-74fill with a diluted primer to the mark of 100 cm 3 and leave at rest at a temperature of (20 ± 2) ° C for 24 hours, after which the volume of the separated layer in the upper part of the cylinder is determined.
(Introduced additionally, Rev. No. 1).
5. PACKAGING, LABELING, TRANSPORT AND STORAGE
5.1 . Packing - by GOST 9980.3-86, group 5.
5.2 . Marking - by GOST 9980.4-86.
The purpose, method of application and precautions for handling retail primer are indicated in the mandatory appendix.
5.3 . Transportation and storage - byGOST 9980.5-86. The transport container must be additionally affixed with a danger sign according toGOST 19433-88, class 3, hell. 3, classification code 3313 and manipulation sign "Sealed packaging" according toGOST 14192-77.
Sec. 5. (Revised edition, Rev. No. 1).
6. MANUFACTURER WARRANTY
6.1. The manufacturer guarantees the conformity of the primers to the requirements of this standard subject to the conditions of storage and transportation.
6.2. The guaranteed shelf life of the primer GF-021 is six months from the date of manufacture.
APPENDIX
Mandatory
Purpose, precautions, method of application of primer GF-021 intended for retail trade
Primer GF-021 is intended for painting metal and wooden surfaces under coatings with various enamels.
Before use, the primer is thoroughly mixed, if necessary, diluted with solvents RS-2, 649, 650.
The surface to be painted must be treated with sandpaper and degreased with a solvent.
When applying a primer to an old coating, the latter must be sanded and washed with a solvent. The primer is applied with a brush or spray gun. Drying time of a single-layer coating at a temperature (20±2)° C - 24 hours
Primer consumption - 60-100 g/m 2 for a single layer coating.
The primer should be stored in a tightly closed container, protected from moisture and direct sunlight.
Keep away from fire.
If a film forms on the surface of the primer during storage, it should be removed before use and the primer thoroughly mixed.
During painting work, as well as after their completion, it is necessary to carefully ventilate the room. Rubber gloves are used to protect hands.
(Introduced additionally, Amendment No. 1).
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of Chemical Industry of the USSR
DEVELOPERS
V. A. Yamsky,cand. chem. sciences; V. V. Sashevsky, cand. tech. sciences (topic leader); N. V. Lukyanova, cand. tech. sciences (topic leader); I. M. Fedotova;L. Ts. Gromova
2. APPROVED AND INTRODUCED BY Decree of the USSR State Committee for Standards dated February 10, 1982 No. 528
3. REFERENCE REGULATIONS AND TECHNICAL DOCUMENTS
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Item number |