K-19
GOST 1861-73
Compressor oil K-19 is produced from low-sulfur crude oils and are used for lubricating piston and rotary compressors and blowers.
| Index name | Norm |
|---|---|
| Compliance with classifi cations ISO VG ISO 6743/3В (DIN 51506) | 220 DAA (VC) |
| Kinematic viscosity at 100°С mm2 /s | 17–21 |
| Viscosity index, not less than | - |
| Acid number, mg КОН/g, within | 0,04 |
| Temperature, °С: | |
| - Open cup fl ash point, °С, not less than | 245 |
| - Pour point, not more than | -5 |
| Mass fraction, %, not more than: | |
| - Mechanical impurities | 0,007 |
| - Water | None |
| Coking, %, not more than | 0,5 |
| Oxidation stability: | |
| - Sediment, %, not more than | 0,015 |
| - Acid number, мг КОН/г, not more than | - |
| Corrosive effect on metals | Pass |
| Corrosion on plates of the lead, g/m2 , not more than | - |
