Krytox™ FPG 028 Grease is a nonflammable, aerospace-grade PFPE lubricant formulated with a PTFE thickener for the most demanding aerospace lubricant requirements.

Overview

Krytox™ FPG 028 is a smooth, buttery, white grease. It has been developed to operate over a wide temperature range of −73°C to 204°C (−99°F to 399°F), to be resistant to hydrocarbon fuel and liquid oxygen, and to be used as a lubricant in aircraft, aerospace vehicles, and supporting equipment.
Krytox™ FPG 028 aviation grease is certified and meets all the requirements of MIL-SPEC PRF 27617 Type IV.

Specifications

Product type: Synthetic aerospace lubricant (grease)
Viscosity 40°C (68°F): 50.45 cSt
Food-grade compatible (H1): No
Meets MIL-PRF-27617: Yes
Estimated useful range: −34°C to 288°C (−30°F to 550°F)
Qualification reference number: AFPET/PTPT 12-003
Primary Chemistry: Perfluoropolyether (PFPE)

Features & Benefits

• Nonflammable
• Broad thermal stability
• Chemical nonreactivity
• Meets MIL-PRF-27617 Type IV specification
• Synthetic PFPE oil with a PTFE thickener

Problems Solved

Poor grease thermal operating range and stability or flammability concerns Component wear and tear due to poor lubricant protection Unapproved or out of MIL-SPEC aerospace grease or additives Undesired reactivity or chemical instability in inferior lubricant

Applications

Krytox™ FPG 028 is designed to operate under severe thermal or chemical conditions. It can be used for bearings and gears and as a lubricant for O-rings and elastomers.

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