VNII NP-298 grease
Scope
Glass and metal movable joints operating in vacuum installations, thermochemical treatment of metals in corrosive environments.
Main performance characteristics
High adhesion and heat resistance, low volatility, good moisture resistance and frost resistance. It is operable in vacuum up to 1,3 · 10-5 and at a temperature from -60 ° С to 250 ° С.
Composition:
Silicone fluid, thickened with modified silica gel.
| Indicator name |
Norm |
| penetration at 25 ° C, 0.1 mm |
220-250 |
| Strength at 20 ° С, Pa, not less than |
>=440 |
| viscosity at 0 ° C and an average gradient of the rate of deformation of 10s-1, Pa · s, not more than |
380 |
| colloid stability,%, no more than |
6,5 |
OOO KONDOR COMPANY
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