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Complex supplies for industrial companies

VNII NP-228 grease

Lubricant VNIINP-228 (OST 38.01438-87) — a mixture of oil and dioctyl sebacate, thickened with complex sodium soap; contains antioxidant and antiwear additives. It has better lubricating properties and greater serviceability at a higher application temperature than VNIINP-223. Lubrication VNIINP-228 is operable at a residual pressure of 13.3 Pa and a temperature of -45 … + 150 ° С.

The scope of lubrication VNIINP-228

Special high-speed ball bearings with a speed of up to 60,000 min-1, sensitive supports of precise mechanisms and friction units of calculating machines. Substitute — VNIINP-223.

Specifications

The name of the indicator The norm according to GOST (TU)
Dropping point, ° С, not lower than 180
Penetration at 25 ° C, × 10-1mm 320-370
Viscosity at 0 ° C and 10 s-1, Pa · s, not more than 40
Strength, Pa, at 20 ° 110
Colloidal stability,%, not more than 14

 

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