Specifications:
| No | Name of the indicator | Requirements TNPA | |
| one | Color of lacquer on iodometric scale, mg J2 / 100 cm3, not darker | 100 | |
| 2 | The appearance of varnish | Transparent, slight opalescence is allowed | |
| 3 | Varnish clean | It is clear that it is free from mechanical impurities and rashes. | |
| four | According to the VZ type – 246 with a nozzle diameter of 4 mm, at a temperature (20.0 ± 0.5) ° C, s |
40 – 60 | |
| five | Mass fraction of nonvolatile substances,% | 50 ± 2 | |
| 6 | Acid number, mg KOH / g, not more than | 20 | |
| 7 | Drying time to degree 3, h, no more than at a temperature of (20 ± 2) ° C at temperature (60 ± 2) ° C |
24 four |
|
| eight | Hardness of varnish coating by pendulum instrument TML relative units, not less | 0.13 | |
| Note: It is allowed to increase the amount of TNPA. | |||
Security measures: in accordance with GOST 12.1.044, lacquer refers to highly dangerous flammable liquids. According to GOST 12.1.007.
And storage of Transportation’s Varnish A in Accordance with the STB and in GOST 9980.5 11.04.01.
