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Complex supplies for industrial companies

VNII NP-282 grease

A is a designed for sealing and lubrication of the friction surfaces of various units of equipment operating at different loads in contact with corrosive environments and gaseous oxygen. Greases are allowed to use at temperatures up to minus 60°C in powerful mechanisms, valves and oxygen breathing equipment.

Characteristics:

Index name VNII NP-282 A
Compliance with classifications NLGI 3
Compliance with classifications DIN 51502 KFK3N-45
Appearance Homogeneous ointment with smooth structure from white to light gray in color
Thickener Inorganic
Penetration at 25°С,mm·10−1 Not specified
Shear strength, Pa, at 50 °С within: 200-700
Colloid stability, % of separated secreted oil, not more than 5
Effective viscosity, Pass, not more than
— At (50°С) (average gradient of the strain rate 1000 s-1) Not less than 1,6
— At (-20°С) (average gradient of the strain rate 10 s-1)
— At (-30°С) (average gradient of the strain rate 10 s-1) 2000
Evaporation at 150°С within 1 hour, %, not more than 5

Perfomance level:

NLGI: 3

DIN 51502: KFK3N-45

Application area:

VNII NP-282 A is a designed for sealing and lubrication of the friction surfaces of various units of equipment operating at different loads in contact with corrosive environments and gaseous oxygen.
Greases are allowed to use at temperatures up to minus 60°C in powerful mechanisms, valves and oxygen breathing equipment.

Greases have an increased resistance to oxygen and aggressive environments (acids, amines, hydrazine), and lower resistance to prolonged contact with nitric acid and hydrogen peroxide.

 

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