Liquid – PPMS
silicone fluid
Description
Liquid PPMS-4 polymethylphenylsiloxane. PPMS-4 fluid is used as a high temperature heat transfer fluid dispersing medium oils and greases, liquid-based PPMS preparing lubricant 4-PPMS 4c.
Applications
Liquid PPMS-4 – is used as a dispersion medium particularly low temperature oils and greases in ball bearings and Freon refrigerators for refrigerating machine oil, coolant, lubrication of refrigeration compressors.
Specifications
| Indicator | Norm |
| Appearance | Clear, colorless liquid |
| Content of mechanical impurities | No |
| Kinematic viscosity at 20 ° C, cSt | 600-1000 |
| Flash point in the open crucible, C, not lower than | 300 |
| Pour Point, C, not higher than | -20 |
| Evaporation at 300C,% in 30h, max. | 52 |
| reaction medium (pH of water extract) | 6-7 |
| Mass fraction of silicon,% | 21,6 – 23,1 |
| The content of the residue, insoluble in petroleum ether,%, no more than | 1,5 |
| corrosive effect on metal | Withstand test |
Additional information
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