Grease VNIINP-279 (GOST 14296-78) is a synthetic hydrocarbon oil thickened with modified silica gel.
Application requirements: good wear-preventive properties, high mechanical, thermal, colloidal stability and low protective properties, reliable operation in aggressive environments. The grease has the sealing properties.
Operating efficiency at temperatures ranging from -50 °C to +150 °C, in aggressive environments at temperatures from -50 °C to +50 °C.
Applications: rolling and sliding bearings, threaded joints, connectors, valves and other components running on the air in aggressive environments.
Color and Appearance: Light clear homogeneous ointment of smooth structure
Effective viscosity, Pa•s, at 0 °C, not more than: 80
Effective viscosity, Pa•s, at -30 °C, not more than: 2300
Breaking strength at 50 °С, Pa•s, not less than: 100
Dropping point, °С, not below than: —
Colloid stability under load of 300 g, %, not more than: 5.2
The content of free alkali in terms of NaOH,%, not more than: —
Penetration at 25 °C, mm, 10-1: —
Evaporation at 150 °C within 1 hour, %, not more than: —