P-283AC PFPE Grease with Rust Protection in Aerospace and Vacuum Environments

Base stocks: synthetic perfluoropolyether

Type of thickener: polytetrafluoroethylene

Characteristics: PFPE grease, PTFE thickened synthetic grease, aerospace lubricant, sodium nitrite rust preventive grease, low temperature vacuum grease.

Basic Properties: A white lubricating grease containing 5% sodium nitrite, categorized as a Series 283 product. Formulated with a perfluoropolyether (PFPE) base oil, polytetrafluoroethylene (PTFE) thickener, and sodium nitrite additive. Characterized by chemical inertness, non-toxicity, and non-flammability, with good compatibility with various metals, elastomers, and plastics.
Viscosity Characteristics: Viscosity at 20°C is 88 cSt, 35 cSt at 38°C, and 5.4 cSt at 99°C.
Temperature Range: Service temperature range is -51°C to 177°C.
Stability and Endurance: Exhibits excellent thermal, oxidative, and chemical stability. It is resistant to degradation and evaporation at elevated temperatures, maintaining lubrication effectiveness over extended periods.
Safety: Non-flammable and safe for use in oxygen-rich environments, conforming to relevant safety benchmarks.
Protective Properties: Provides rust protection at ambient temperatures and corrosion and anti-wear protection at elevated temperatures.

- Aerospace: Extensively utilized in aircraft bearings, seals, valves, O-rings, threaded connections, and oxygen systems. It delivers reliable lubrication and sealing in extreme high-altitude temperatures and high-vacuum conditions, ensuring flight integrity.
- Other Sectors: Also suited for demanding industrial sectors with stringent lubrication needs, such as semiconductor manufacturing and high-end electronics production. It fulfills requirements for low friction, high stability, and corrosion resistance.