Specifications:
| No | Name of the indicator | Requirements TNPA |
| one | The appearance of varnish | Opaque solution from yellow to yellow |
| 2 | The appearance of the film | Smooth, evenly matte uniform coating, mechanical impurities |
| 3 | Relative viscosity at a temperature (20.0 ± 0.5) ° С according to a VZ-246 viscometer with a nozzle diameter of 4 mm (or VZ-4), with | 35 – 80 |
| four | Mass fraction of nonvolatile substances,% | 26 – 32 |
| five | Drying time of varnish at a temperature of (20 ± 2) ° C to degree 3, h, not more | one |
| 6 | TML (pendulum A), rel. units, not less | 0.2 |
| 7 | Flexural elasticity of the film, mm, not more | ten |
| eight | FB – 2,%, not more than film gloss | 20 |
| 9 | Conventional light resistance of the film, h, not less | one |
| ten | Film temperature of (20 ± 2) ° С, h, not less | 6 |
| eleven | Heat resistance of the film at a temperature of (60 ± 2) ° C, min, not less | thirty |
| 1 It is allowed to settle a matting additive in varnish. The precipitate should not be easily mixed. After mixing, the solution should be homogeneous. 2. It is possible to reduce all the requirements of the TNPA. | ||
Surface preparation must be carefully removed.
Coating: Stir the varnish thoroughly before use. RML, solvent brand 646
(GOST 18188).
Apply a lacquer with a paint on the air, even at a temperature of 15 ° C, relative air humidity (65 ± 5)% . Wood moisture should not exceed 10%. When applying a varnish in several layers ( three to four layers), after each layer of varnish drying is carried out for 1 h at a temperature of (20 ± 2) ° C. The last layer is dried 24 hours. The consumption of varnish
85 – 105 g / m².
It is recommended that you take care of the rubber gloves.
Transportation in accordance with GOST 9980.5.
Storage conditions : according to GOST 9980.5. Store in a dry room. Keep away from heat, direct sunlight and moisture.
