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Special-Purpose Perfluoropolyether Lubricant for Diaphragm Compressors

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Product Details

Basic Information

Product Name: Special-Purpose Perfluoropolyether Lubricant for Diaphragm Compressors

Chemical Formula: Perfluoropolyether (PFPE)

Aliases: Oxygen-compressor lubricant, strong-corrosive-gas lubricant

CAS: Not applicable

HS Code: 3403.9900

Molecular Weight: Approx. 2000~5000

EINECS: Not applicable

Structural Formula:

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Description

This product is specially developed for diaphragm compressors handling strongly-oxidizing and strongly-corrosive gases such as oxygen and nitrogen trifluoride. Boasting excellent chemical inertness and oxidation resistance, it effectively protects compressor diaphragms and sealing parts, prevents reactions with high-pressure reactive gases, ensures safe compression processes and delivers long-term lubrication.

Technical Specifications

Test Item

Value

Appearance

Colorless transparent liquid

Density (20℃, g/cm³)

1.88 ~ 1.90

Kinematic Viscosity (20℃, cSt)

130 ~ 180

Kinematic Viscosity (40℃, cSt)

45 ~ 64

Solidification Point (℃)

<45

Acid Value (mg KOH/g)

<0.03

Applications

Special-purpose lubricant for diaphragm compressors compressing strongly-oxidizing / corrosive gases including oxygen and nitrogen trifluoride.

Storage Conditions: Same as Product 1; avoid mixing with other oils

Packaging: 5 kg/drum, 20 kg/drum

Chemical Properties

· Exceptional oxidation resistance; non-reactive with O₂, NF₃ and other substances

· Thermally stable at high temperatures; no carbon residue

· Extremely low volatility to sustain long-term lubrication

· Non-corrosive to metals

 


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