VNII NP-293 grease
VNII NP-293 grease (TC 38.101604-76) is an organosilicon liquid thickened with lithium soap of stearic acid and hydrogenated castor oil acids. It has low colloidal and high thermal stability, satisfactory antiwear properties. It is efficient in a deep vacuum and within the temperature range from -60 to + 150°С.
Physical and chemical indicators of VNII NP-293 grease (TC 38.101604-76)
|Name of the indicator||Norm|
|Drop temperature, °C, not lower than||≥ 170°С|
|Tensile strength at 20 °C, Pa, not less than||140 - 170|
|Effective viscosity, Pa-s, at 0°C and an average gradient of 10 s-1 strain rate, not more than||180|
|Colloidal stability, %, not more than||31|