Natural drying oil for painting GOST 7931 76. Natural drying oil
STATE STANDARD
USSR UNION
NATURAL Drying Oil
TECHNICAL CONDITIONS
GOST 7931-76
PUBLISHING HOUSE OF STANDARDS
Moscow
STATE STANDARD OF THE USSR UNION
Date of introduction 01.01.77
This standard applies to natural drying oil produced from linseed or hemp oils with the addition of driers (drying accelerators), intended for the production and dilution of thickly rubbed paints, as well as as an independent material for painting work.
1. TECHNICAL REQUIREMENTS
1.1. Natural drying oil must be manufactured in accordance with the requirements of this standard according to recipes and technological regulations approved in the prescribed manner.
1.2. Depending on the raw materials used, natural drying oil is divided into flax and hemp.
OKP codes are given in the mandatory appendix.
(Changed edition, Amendment No. 2).
1.3. For the production of natural drying oil the following is used:
linseed oil in accordance with GOST 5791-81 and other regulatory and technical documentation or imported with a content of phosphorus-containing substances of no more than 0.026% in terms of P 2 O 5;
hemp oil in accordance with GOST 8989-73 with a content of phosphorus-containing substances of no more than 0.026% in terms of P 2 0 5;
Manganese, lead and cobalt siccatives made from linseed and hemp oils.
1.4. According to physical and chemical indicators natural drying oil must comply with the requirements and standards specified in the table.
Indicator name |
Norm for drying oils |
Test methods |
||||||||||||||||||||||||||||||
flaxseed superior copta |
linen first cop |
hemp |
||||||||||||||||||||||||||||||
1. Color according to the iodometric scale, mg of iodine, no darker |
1600 |
|||||||||||||||||||||||||||||||
2. Transparency after standing for 24 hours at (20±2)°C |
Full |
In case of fire, the following fire extinguishing agents are used: chemical foam, water vapor, finely sprayed water, inert gas, asbestos sheet. 6.1-6.3. (Changed edition, Amendment No. 2). 6.4. Tanks with natural drying oil installed in open areas must be buried in the ground or installed openly. Tanks installed openly must be surrounded (taking into account the terrain) by a solid earthen rampart 1 m high and at least 0.5 m wide at the top or by a solid fireproof wall 1 m high. The free volume of the embankment space should be less than half the volume of the tanks located inside the embankment . An earthen shaft or fireproof wall must be equipped with transition bridges. 6.5. Draining and loading works should be carried out through pipes using pumps with an electromechanical drive. Tanks with drying oil are equipped with a breathing valve, fire arrester, correct The performance of which is checked before each filling and emptying of the tank. 6.6; 6.7. (Excluded, Amendment No. 2). 6.8. Clothes, rags, and rags soaked in drying oil should be stored outdoors with drying oil in metal boxes with tight-fitting lids. 7. INSTRUCTIONS FOR USE7.1. Natural drying oil is used for production and breedingthickly ground paints, for preparing ready-to-use paints, primers and putties, for impregnation (polishing) of wooden surfaces, plastering before painting them with oil paints. 7.2. Natural drying oil and paints prepared using it are intended for exterior and interior use. 7.3. Natural drying oil is applied to a clean, dry surface using paint and roller brushes, pneumatic spraying and airless spraying. Each layer is dried for 24 hours at a temperature of (20±2)°C. Sec. 7. (Introduced additionally, Amendment No. 2). ANNEX 1
|
Name and grade of natural drying oil |
Codes A - OK P for section VKG 23 1811 |
Codes A-OKP for section VKG 23 8871 |
Premium quality flaxseed |
23 1811 1100 03 |
23 8871 1100 10 |
Flaxseed first grade |
23 1811 1200 00 |
23 8871 1200 07 |
Hemp |
23 1811 2900 08 |
23 8871 2900 04 |
(Introduced additionally, Amendment No. 2).
APPENDIX 2
Mandatory
Purpose, precautions, method of use of natural drying oil intended for retail trade
Natural drying oil is intended for diluting thickly grated oil paints, for impregnating (driing) wooden surfaces, plaster before painting them with oil paints.
Natural drying oil and paints prepared using it are intended for external and internal finishing works.
Natural drying oil is applied with a brush to a clean, dry surface. Drying each layer at a temperature of (20±2)°C - 24 hours.
Drying oil should be stored in a tightly closed container.
The room where painting is done must be ventilated.
It is not allowed to leave rags or rags soaked in drying oil in the room.
(Introduced additionally, Amendment No. 2).
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of Food Industry of the USSR
DEVELOPERS
A.B. Belova, A.3. Sergeevna. Smirnova, N.I. Amelchenko
2. APPROVED AND ENTERED INTO EFFECT by Resolution of the USSR State Committee on Standards dated February 27, 1976 No. 519
3. INSTEAD GOST 7931-56
4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS
Item number |
|
GOST 12.1.004-91 |
|
GOST 12.3.005-75 |
|
GOST 12.4.011-89 |
|
GOST 12.4.009-83 |
|
GOST 1510-84 |
|
GOST 4204-77 |
|
GOST 5472-50 |
OKP 23 8871 Sron deyovia from 01.01.7 "no0101.91 Failure to comply with the standard* is punishable in other ways. This standard applies to natural drying oil produced from linseed or hemp oils with the addition of enkkativoi (drying accelerators), intended for the production and dilution of thickly rubbed paints, as well as as an independent material for painting work. 1. TECHNICAL REQUIREMENTS 1.1. Natural drying oil must be prepared in accordance with the requirements of this standard according to recipes and technological regulations approved in the prescribed manner. replaceable raw materials are natural hemp.) bisately in Appendix I. l. L* 2). desiccant m;:rga (1co1 dried on flaxseed and kopog 81 n other regulatory technical with a phosphorus content -% in terms of PzOb; 89-TA with a phosphorus content of 26% in terms of PrO; thorn and cobalt, ready- I-d." ".!" of-tskapkhoe Quail* all is forgiven © Standards Publishing House, 1989
GOST 7911-76 P. 5 It is allowed to store natural drying oil in metal containers but GOST 1510-84, section. 4, placed on open horses. Sec. 4. (Changed edition. Amendment No. 2). 5. MANUFACTURER WARRANTY 5.1. The manufacturer guarantees the compliance of natural drying oil with the requirements of this standard subject to the conditions of transportation and storage. The guaranteed shelf life of natural drying oil is 24 months from the date of manufacture. (Changed edition, Rev. M 2). 5.2. (Deleted, Amendment No. 2). 6 SAFETY REQUIREMENTS 6.1. Natural drying oil is a flammable product. Flash point in a closed crucible - not less than 206 "C. Self-ignition temperature - not less than 343 ° C. 6.2. All work related to the manufacture, testing, use and storage of natural drying oil must be carried out in rooms equipped with supply and exhaust ventilation, or well ventilated. When working with natural drying oil, personal protective equipment must be used that meets the requirements of GOST 12.4.011-87. 6.3. When producing, testing and using natural drying oil, the fire safety requirements of GOST 12.1.004-85 and GOST 12.3.005 must be observed. -75, the premises must be equipped with fire fighting equipment in accordance with GOST 12.4.009-83... In case of fire, the following fire extinguishing agents are used: chemical foam, water bunk, finely sprayed >oda, inert gas, asbestos sheet. 6.16.3. (Modified edition. Rev. L 2). a width at the top of at least 0.5 m or a solid fireproof wall with a height of 1 m. The free volume of the embankment space should be less than half the volume of the tanks located inside the embankment. An earthen shaft or fireproof wall must be equipped with transition bridges.
With. 6 gost mi-76
6.5. Draining and loading works should be carried out through pipes using pumps with an electromechanical drive. Tanks with drying oil are equipped with a breathing valve and a fire arrester, the correctness of which is checked before each filling and emptying of the tank.
6.6; 6.7. (Excluded, Amendment No. 2).
6.8. Clothes, rags, and rags soaked in drying oil should be stored outdoors with drying oil in metal boxes with tight-fitting lids.
7. INSTRUCTIONS FOR USE
7.1. Natural drying oil is used for the production and thinning of thickly rubbed paints, for the preparation of ready-to-use paints, primers and putties, for impregnation (polishing) of wooden surfaces, plaster before painting them with oil paints.
7.2. Natural drying oil and paints prepared with this application. intended for outdoor and interior work.
7.3. Natural drying oil is applied to a clean, dry surface using paint and roller brushes, pneumatic spraying and airless spraying. Each layer is dried for 24 hours at a temperature of (20d:2) C.
Sec. 7. (Introduced additionally, Amendment No. 2).
APPENDIX I Mandatory
APPENDIX 2 Mandatory
Purpose, precautions, method of use of natural drying oil intended for retail trade
Natural drying oil is intended for diluting thick oil paints, for impregnation (driing!) of wooden surfaces, plaster before painting them with oil paints.
Natural drying oil and paints prepared using it are intended for external and internal finishing works.
Natural drying oil is applied with a brush to a clean, dry surface. Drying of each layer at a temperature of (20 ± 2) * "C - 24 hours.
Drying oil should be stored in a tightly closed container.
The room where painting is done must be cleaned.
It is not allowed to leave rags, rags, or drying oil in the room.
(Introduced additionally. Change M 2).
S. 8 GOST 7M1-76
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of Food Industry of the USSR
PERFORMERS
A. B. Bel, A. Z. Sergei*, N. A. Smirny, N. I. Amelchenko
GOST 7931-76
Group L25
STATE STANDARD OF THE USSR UNION
NATURAL Drying Oil
Specifications
Natural drying oil. Specifications
OKP 23 8871
Valid from 01/01/77
until 01.01.93*
_______________________________
* Validity limit removed
Resolution of the State Standard of Russia N 1284 dated September 28, 1992
(IUS No. 12, 1992)
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of Food Industry of the USSR
PERFORMERS
A.B.Belova, A.Z.Sergeev, N.A.Smirnova, N.I.Amelchenko
2. APPROVED AND ENTERED INTO EFFECT by Resolution of the USSR State Committee on Standards dated 02.27.76 N 519
3. INSTEAD GOST 7931-56
4. REFERENCE REGULATIVE AND TECHNICAL DOCUMENTS
Item number |
|
GOST 2.4.009-83* | |
____________ |
|
5. Validity period extended until 01/01/93 by Decree of the USSR State Standard of 12/18/87 N 4708
6. REISSUE (September 1988) with Amendments No. 1, 2, approved in July 1982, December 1987 (IUS 11-82, 3-88)
This standard applies to natural drying oil produced from linseed or hemp oils with the addition of driers (drying accelerators), intended for the production and dilution of thickly rubbed paints, as well as as an independent material for painting work.
1. TECHNICAL REQUIREMENTS
1. TECHNICAL REQUIREMENTS
1.1. Natural drying oil must be manufactured in accordance with the requirements of this standard according to recipes and technological regulations approved in the prescribed manner.
1.2. Depending on the raw materials used, natural drying oil is divided into flax and hemp.
OKP codes are given in mandatory Appendix 1.
1.3. For the production of natural drying oil the following is used:
linseed oil in accordance with GOST 5791-81 and other regulatory and technical documentation or imported with a content of phosphorus-containing substances of no more than 0.026% in terms of PO;
hemp oil in accordance with GOST 8989-73 with a content of phosphorus-containing substances of no more than 0.026% in terms of PO;
Manganese, lead and cobalt siccatives made from linseed and hemp oils.
1.4. In terms of physical and chemical indicators, natural drying oil must meet the requirements and standards specified in the table.
Indicator name | Norm for drying oils | Test methods |
||
premium flax | first grade flax | hemp | ||
1. Color according to the iodometric scale, mg of iodine, no darker | ||||
2. Transparency after standing for 24 hours at (20±2) °C | Full | |||
6. Acid number, mg KOH, no more | ||||
___________ |
||||
7. Iodine number, g/iodine per 100 g, not less | ||||
10. Mass fraction of ash, %, | According to GOST 5474-66 and clause 3.5 of this standard |
|||
11. Resin acids (qualitative sample) | Absence | |||
12. Drying time at 20±2 °C, h, no more than up to degree 3 | According to GOST 19007-73 and clause 3.7 of this standard |
|||
Notes: |
(Changed edition, Amendment No. 1, 2).
2. ACCEPTANCE RULES
2.1. Acceptance rules - according to GOST 9980.1-86.
2.2. The manufacturer carries out tests according to subparagraphs 8, 9 and 11 of the table periodically on every twentieth batch. If unsatisfactory results of repeated periodic tests are obtained, the supply of drying oil to the consumer is stopped until the reasons for non-compliance with the requirements of this standard are identified and eliminated and satisfactory test results are obtained for new batches.
3. TEST METHODS
3.1. Sampling - according to GOST 9980.2-86.
3.2. Transparency is determined according to GOST 5472-50, while drying oil is poured into a cylinder with a capacity of 10 cm or a test tube made of colorless glass.
3.3. Sludge is determined according to GOST 5481-66, section 2 after settling the drying oil for 24 hours at (20±2) °C.
3.3a. Conditional viscosity is determined using a viscometer type VZ-246 (or VZ-4 with a nozzle diameter of 4 mm at a temperature of (20±0.5) °C.
(Introduced additionally, Amendment No. 2).
3.4. The content of phosphorus-containing substances is determined according to GOST 7824-80, section 2, using 5 g of drying oil.
If a brown precipitate of manganese dioxide forms during the treatment of ash with a mixture of nitric and sulfuric acids, due to the presence of manganese drier in the drying oil, the solution should be filtered through a paper filter; wash the glass and filter with sediment with 10 cm of a mixture of acids, draining rinsing waters into the filtrate.
(Changed edition, Amendment No. 1).
3.6. Qualitative determination of resin acids is carried out using three samples.
(Changed edition, Amendment No. 1).
3.6.1. Reagents and solutions used:
acetic anhydride according to GOST 5815-77;
sulfuric acid according to GOST 4204-77;
petroleum ether;
copper acetate according to GOST 5852-79, water solution with a mass fraction of copper acetate 3%;
liquid synthetic ammonia according to GOST 6221-82 *.
______________
* In the territory Russian Federation GOST 6221-90 is valid. - Database manufacturer's note.
3.6.2. Carrying out the test
Reaction with sulfuric acid 
0.1 g of drying oil is dissolved in 3 cm of acetic anhydride. A drop of sulfuric acid is added to the solution. In the presence of resin acids, the solution turns dark purple.
Reaction with copper acetate 
0.1 g of drying oil is dissolved in 3 cm of petroleum ether, a solution of copper acetate is added and shaken. In the presence of resin acids, the drying oil solution turns emerald green, and the aqueous solution of copper acetate becomes discolored.
Reaction with ammonia 
0.1 g of drying oil is dissolved in 3 cm of petroleum ether, 1-2 drops of ammonia are added and shaken. In the presence of resin acids, gelatinous ammonium abietinate is released.
The absence of resin acids is considered proven if all three or the first two give a negative result.
3.6.1; 3.6.2. (Changed edition, Amendment No. 2).
3.7. Drying time is determined according to GOST 19007-73.
A glass rod with a diameter of 3-4 mm is immersed in drying oil to a depth of about 3 cm and 4 drops of drying oil are applied to a glass plate measuring 912 cm. Then the drying oil is evenly distributed over the entire surface of the plate.
(Introduced additionally, Amendment No. 1).
4. PACKAGING, LABELING, TRANSPORTATION AND STORAGE
4.1. Packaging - according to GOST 9980.3-86.
GOST 19433-81 GOST 1510-84, section 4, located on open areas.
Section 4. (Changed edition, Amendment No. 2).
5. MANUFACTURER WARRANTY
5.1. The manufacturer guarantees the compliance of natural drying oil with the requirements of this standard, subject to the conditions of transportation and storage.
The guaranteed shelf life of natural drying oil is 24 months from the date of manufacture.
(Changed edition, Amendment No. 2).
5.2. (Deleted, Amendment No. 2).
6. SAFETY REQUIREMENTS
6.1. Natural drying oil is a flammable product.
The flash point in a closed crucible is not less than 206 °C.
Self-ignition temperature - not less than 343 °C.
6.2. All work related to the manufacture, testing, use and storage of natural drying oil must be carried out in rooms equipped with supply and exhaust ventilation or well ventilated.
When working with natural drying oil, personal protective equipment must be used that meets the requirements of GOST 12.4.011-87
In case of fire, the following fire extinguishing agents are used: chemical foam, water vapor, finely sprayed water, inert gas, asbestos sheet.
6.1.-6.3. (Changed edition, Amendment No. 2).
6.4. Tanks with natural drying oil installed in open areas must be buried in the ground or installed openly. Tanks installed openly must be surrounded (taking into account the terrain) by a solid earthen rampart 1 m high and at least 0.5 m wide at the top or a solid fireproof wall 1 m high. The free volume of the embankment space should be less than half the volume of the tanks located inside embankment.
An earthen shaft or fireproof wall must be equipped with transition bridges.
6.5. Draining and loading works should be carried out through pipes using pumps with an electromechanical drive. Tanks with drying oil are equipped with a breathing valve and a fire arrester, the correct operation of which is checked before each filling and emptying of the tank.
6.6; 6.7. (Excluded, Amendment No. 2).
6.8. Clothes, rags, and rags soaked in drying oil should be stored outdoors with drying oil in metal boxes with tight-fitting lids.
7. INSTRUCTIONS FOR USE
7.1. Natural drying oil is used for the production and dilution of thickly rubbed paints, for the preparation of ready-to-use paints, primers and putties, for impregnation (polishing) of wooden surfaces, plastering before painting them with oil paints.
7.2. Natural drying oil and paints prepared using it are intended for exterior and interior use.
7.3. Natural drying oil is applied to a clean, dry surface using paint and roller brushes, pneumatic spraying and airless spraying. Each layer is dried for 24 hours at a temperature of (20±2) °C.
Section 7. (Introduced additionally, Amendment No. 2).
APPENDIX 1 (mandatory)
ANNEX 1
Mandatory
Name and grade of natural drying oil | Codes A-OKP | Codes A-OKP |
Premium quality flaxseed | ||
First grade flaxseed | ||
Hemp |
APPENDIX 2 (mandatory). PURPOSE, PRECAUTIONS, METHOD OF APPLICATION OF NATURAL Drying Oil INTENDED FOR RETAIL TRADE
APPENDIX 2
Mandatory
Natural drying oil is intended for diluting thickly grated oil paints, for impregnating (driing) wooden surfaces, plaster before painting them with oil paints.
Natural drying oil and paints prepared with its use are intended for external and internal finishing works.
Natural drying oil is applied with a brush to a clean, dry surface. Drying each layer at a temperature of (20±2) °C - 24 hours.
Drying oil should be stored in a tightly closed container.
The room where painting is done must be ventilated.
It is not allowed to leave rags or rags soaked in drying oil in the room.
(Introduced additionally, Amendment No. 2).
Electronic document text
prepared by Kodeks JSC and verified against:
official publication
M.: Standards Publishing House, 1989
Product description
Description Natural linseed drying oil
The main task of drying oil is to protect wood. Accordingly, linseed oil, the price of which on our website is completely affordable, is usually used for interior finishing work. Natural linseed drying oil is used together with thick oil paints. However, it gained the greatest popularity as an independent material.
How to store drying oil
The product is stored in a dark place, in a tightly closed container. Thus, the service life is extended and all the necessary properties are preserved. For correct use drying oil, it is necessary to completely clean the surface from dust, dirt and moisture. The material dries within 24 hours at a temperature of 20 C. After coating wooden surface It is necessary to ventilate the room with drying oil. Drying oil, which you can buy on our website, is distinguished by its quality and harmlessness to the human body. If you follow all the recommendations and tips for using drying oil, the coating will last a long time.
The main advantages of using Drying Oil PROSTOKOLOR
Increases the service life of wood coating. Reduces the consumption of paints and varnishes for surface coating. Compliance of the "Drying Oil" product with GOST and international standards technological process. Eco-friendly and natural components of the product.
Price 3 kbp.
Official publication
USSR STATE COMMITTEE ON STANDARDS Moscow
UDC 667.621.52:006.354 Group L25
STATE STANDARD OF THE USSR UNION
NATURAL Drying Oil
Specifications
Natural drying oil Specifications
Valid from 01/01/77
Failure to comply with the standard is punishable by law
This standard applies to natural drying oil produced from linseed or hemp oils with the addition of driers (drying accelerators), intended for the production and dilution of thickly rubbed paints, as well as as an independent material for painting work
1. TECHNICAL REQUIREMENTS
1 1 Natural drying oil must be manufactured in accordance with the requirements of this standard according to recipes and technological regulations approved in the prescribed manner.
1 2 Depending on the raw materials used, natural drying oil is divided into linseed and hemp
OKP codes are given in the mandatory Appendix 1 (Changed edition, Amendment No. 2).
1 3 For the production of natural drying oil, use* linseed oil in accordance with GOST 5791-81 and other regulatory and technical documentation or imported oil with a content of phosphorus-containing substances of no more than 0.026% in terms of P 2 O^;
Official publication ★
1 4 According to physical and chemical indicators, natural drying oil must meet the requirements and standards specified in the table
Norm for drying oils | ||||||||||||||||
Name indicator |
Test methods |
|||||||||||||||
1 Color according to the metric scale, mg of iodine, no darker | ||||||||||||||||
2 Transparency after standing for 24 hours at (20±2)°C 3 Sludge, % (by volume), no more |
1 o l n a i 1 | |||||||||||||||
6 Acid number, mg KOH, no more | ||||||||||||||||
7 Iodine number, g/io per 100 g, not less 8 Mass fraction of phosphorus-containing substances in terms of P 2 0<-, %, не более | ||||||||||||||||
10 Mass fraction of ash, %, no more |
2. ACCEPTANCE RULES 2 2. The manufacturer carries out tests according to subparagraphs 8, 9 and 11 of the table periodically on every twentieth batch. If unsatisfactory results of repeated periodic tests are obtained, the supply of drying oil to the consumer is stopped until the reasons for non-compliance with the requirements of this standard are identified and eliminated and satisfactory test results are obtained for new batches. (Changed edition, Amendment No. 1). 3. TEST METHODS 3 2. Transparency is determined according to GOST 5472-50, in which drying oil is poured into a cylinder with a capacity of 10 cm 3 or a test tube made of colorless glass. petroleum ether; 3.6.2. Carrying out the test Reaction with sulfuric acid 0.1 g of drying oil is dissolved in 3 cm 3 of acetic anhydride. A drop of sulfuric acid is added to the solution. In the presence of resin acids, the solution turns dark purple. Reaction with copper acetate 0.1 g of drying oil is dissolved in 3 cm 3 of petroleum ether, a solution of copper acetate is added and shaken. In the presence of resin acids, the drying oil solution turns emerald green, and the aqueous solution of copper acetate becomes discolored. Reaction with ammonia0.1 g of drying oil is dissolved in 3 cm 3 of petroleum ether, 1-2 drops of ammonia are added and shaken. In the presence of resin acids, gelatinous ammonium abietinate is released. The absence of resin acids is considered proven if all three or the first two give a negative result. 3.6.1; 3.6.2. (Changed edition, Amendment No. 2). 3.7. Drying time is determined according to GOST 19007-73. A glass rod with a diameter of 3-4 mm is immersed in drying oil to a depth of about 3 cm and 4 drops of drying oil are applied to a glass plate measuring 9X12 cm. Then the drying oil is evenly distributed over the entire surface of the plate. (Introduced additionally, Amendment No. 1). 4. PACKAGING, LABELING, TRANSPORTATION AND STORAGE 4.3. Labeling of consumer packaging intended for retail trade is in accordance with GOST 9980.4-86 with the inscription “Keep away from fire.” The purpose, method of use, and precautions when handling drying oil for retail are indicated in Appendix 2. 4.4. Transport marking - in accordance with GOST 14192-77 with a handling sign “Afraid of heating” and hazard class in accordance with GOST 19433-81 (class 9, subclass 9.2, classification code 921). 4.5. Transportation and storage of natural drying oil - GOST 9980.5-86. It is allowed to store natural drying oil in metal containers in accordance with GOST 1510-84, section. 4, located in open areas. Sec. 4. (Changed edition, Amendment No. 2). 5. MANUFACTURER WARRANTY 5.1. The manufacturer guarantees the compliance of natural drying oil with the requirements of this standard, subject to the conditions of transportation and storage. The guaranteed shelf life of natural drying oil is 24 months from the date of manufacture. (Changed edition, Amendment No. 2). 5.2. (Deleted, Amendment No. 2). 6. SAFETY REQUIREMENTS 6.1. Natural drying oil is a flammable product. The flash point in a closed crucible is not less than 206°C. Self-ignition temperature - not less than 343°C. 6.2. All work related to the manufacture, testing, use and storage of natural drying oil must be carried out in rooms equipped with supply and exhaust ventilation or well ventilated. When working with natural drying oil, personal protective equipment must be used that meets the requirements of GOST 12.4.011-87. 6.3. During the production, testing and use of natural drying oil, fire safety requirements in accordance with GOST 12.1.004-85 and GOST 12.3.005-75 must be observed, the premises must be equipped with fire fighting equipment in accordance with GOST 12.4.009-83. In case of fire, the following fire extinguishing agents are used: chemical foam, water vapor, finely sprayed water, inert gas, asbestos sheet. 6.1.-6.3. (Changed edition, Amendment No. 2).6.4. Tanks with natural drying oil installed in open areas must be buried in the ground or installed openly. Tanks installed openly must be surrounded (taking into account the terrain) by a solid earthen rampart 1 m high and at least 0.5 m wide at the top or a solid fireproof wall 1 m high. The free volume of the embankment space should be less than half the volume of the tanks located inside embankment. An earthen shaft or fireproof wall must be equipped with transition bridges. 6.5. Draining and loading works should be carried out through pipes using pumps with an electromechanical drive. Tanks with drying oil are equipped with a breathing valve and a fire arrester, the correct operation of which is checked before each filling and emptying of the tank. 6.6; 6.7. (Excluded, Amendment No. 2). 6.8. Clothes, rags, and rags soaked in drying oil should be stored outdoors with drying oil in metal boxes with tight-fitting lids. 7. INSTRUCTIONS FOR USE 7.1. Natural drying oil is used for the production and dilution of thickly rubbed paints, for the preparation of ready-to-use paints, primers and putties, for impregnation (coating) of wooden surfaces, plastering before painting them with oil paints. 7.2. Natural drying oil and paints prepared using it are intended for exterior and interior use. 7.3. Natural drying oil is applied to a clean, dry surface using paint and roller brushes, pneumatic spraying and airless spraying. Each layer is dried for 24 hours at a temperature (20p = 2) C. Sec. 7. (Introduced additionally, Amendment No. 2). GOST 7931-76 S. 7APPENDIX 1 Mandatory
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