P-202 Perfluoropolyether PFPE Lubricating Oil Chemical-Inert Non-Flammable Vacuum-Ready

- Type: Perfluoropolyether high-temperature oil, chemical-inert lubricant, non-flammable vacuum oil, liquid oxygen valve seal oil.

Chemical Composition:

- P-202 is a perfluoropolyether (PFPE, also referred to as PFAE or PFPAE) lubricant with a molecular structure comprising only carbon, oxygen, and fluorine atoms, fully saturated and devoid of reactive groups.
- Elemental Weight Composition: Carbon 21.6%, Oxygen 9.4%, Fluorine 69.0%.
- Free of additives, ensuring high chemical inertness, ideal for applications involving exposure to highly corrosive media.

Physical Properties:
- 40°C Kinematic Viscosity: 440 cSt (ASTM D445).
- 100°C Kinematic Viscosity: 42 cSt (ASTM D445).
- Pour Point: -30°C (ASTM D97).
- Density: 1.9 g/cm³ at ambient temperature.
- Viscosity Index: 155 (ISO 2909).
- Operating Temperature Range: -70°C to 288°C (continuous use).
- Intermittent Peak Temperature: Up to 344°C.

Stability in Extreme Conditions:
- High-temperature oxidation resistance: Capable of enduring prolonged exposure to 288°C without combustion, remaining stable even at 554°C in oxygen-rich environments.
- Chemical inertness: Resistant to aggressive substances such as fuming nitric acid, strong alkalis, chlorine gas, and hydrogen peroxide, without decomposition or swelling.
- Low volatility: Exhibits minimal evaporation loss, making it suitable for vacuum environments (e.g., semiconductor manufacturing).
Safety and Compatibility:
- Non-flammability: Passes ASTM tests; does not ignite at 649°C and complies with liquid oxygen impact testing.
- Material compatibility: Long-term coexistence with metals (steel, alloys), plastics (PTFE), and elastomers (O-rings) without causing corrosion or swelling.
- Environmental compliance: Non-toxic, free from volatile organic compounds (VOC), and certified for NSF H1 food-grade incidental contact (specific models).
Mechanical Properties:
- Low friction coefficient with excellent wear resistance (validated by four-ball wear testing).
- Radiation resistance up to 10⁷ rads, enabling applications in nuclear industry settings.

- Chemical and Energy Sector: Valve sealing (chlorine/oxygen systems), reactor stirrer bearings, petrochemical pump lubrication.
- Aerospace Industry: Spacesuit seals, liquid oxygen valves, fuel pump bearings.
- Semiconductor Manufacturing: Vacuum pump oil, etching equipment gear lubrication (low-volatility contamination).
- High-Temperature Industries: Furnace conveyor chains, hot air blower bearings (screw rods for width adjustment).
- Specialized Environments: High-temperature automotive engine components, nuclear power plant equipment lubrication.