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PFMS-4S

TU 6.02.917-79

PFMS–4S is a poly-methyl-phenyl-siloxane fluid thickened with colloidal graphite.

Range of use

The heat-resistant PFMS–4S grease is used for lubrication of aircraft friction units, low-speed roller bearings and screw ball joint drives within the temperature range from -30°C to +300°C with occasional short-time surges of up to 400°C.

Specifications

Index nameNorm
Drop point, °C, min. 180
Penetration at 25°C, 0,1 mm 175-205
Point of break at 20°C, Pa 1000-1500
Viscosity at -50°C and rate of deformation average gradient 10s-1, Pa•s, max. 500
Colloid stability, %, max. 10

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