Instrument oil MZ-52 (GOST 21748-76) is the head fraction in the production of AMG-10 oil base. It is marked, packed and transported in accordance with GOST 1510-84. Designed for use as a working fluid in spiral potentiometers PSM-18.
Physical and chemical indicators of AMS-3 grease MZ-52 grease (GOST 21748-76)
| Name of the indicator | Norm GOST (TC) |
|---|---|
| Kinematic viscosity, mm² / sec | |
| at 50(100)°С | - |
| at 20(-20)°С | 3,3 |
| at -40°С | 46,0 |
| Viscosity index, not less than | - |
| Flash Point, °С: | |
| in the open (closed) crucible, not less than | (80) |
| Pour point, not higher than | - |
| Mass fraction, %, not more than: | |
| water | Absence |
| mechanical impurities | Absence |
| Acid number, mg КОН / g, not more than | 0,03 |
| Content of water-soluble acids and alkalis | Absence |
| Corrosion, g/m2 | - |
| Color, units of CDO, not more than | 0,5 |
| Density at 20°C kg/m3 | 815 - 830 |
| Aniline point, °С, not lower than | - |
| Ash, %, not more than | - |