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Complex supplies for industrial companies

VNII NP-293 grease

Lubrication VNIINP-293 is a soft ointment of gray color with a pink tinge. The composition is close to the lubricant VNIINP-274. It differs in that it is made on polymethylsiloxane liquid, which has the worst anti-wear, but the best low-temperature properties. Excellent frost resistance allows the use of grease at temperatures up to -80 ° C. Instrumental lubrication VNIINP-293 can be recommended only for lightly loaded bearings with a speed of up to 1000 rpm. When tested on a friction machine, NIIhashproma provides low wear and low friction coefficients for steels of ruby ​​steel and brass steel. It is recommended for miniature rolling bearings of devices at temperatures up to 150 ° C and in high vacuum conditions.
The warranty period of storage in a lubricant container is 2 years. In fact, it can be stored much longer without deterioration.

 

Name of indicators Grease VNIINP-293

Norm according to GOST (TU)

Dropping point, ° С, not lower than

170

Penetration at 25 ° C, × 10-1mm

Viscosity at 0 ° С and 10с-1, Pa · s, not more than

180

Strength, Pa, at 20 ° С

140-170

Colloid stability,%, not more than

31

 

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