Technical datasheet

Pureflon™ 4DF

Supplied byHangzhou Fine Fluorotech- Last Updated on Jan 8, 2026

Pureflon™ 4DF by Hangzhou Fine Fluorotech is PFOA-free polytetrafluoroethylene (PTFE). It is virgin fine powder with low reduction ratio. It is produced by dispersion method and suitable for paste extrusion method.
  • Pureflon™ 4DF provides high tensile strength, good extensibility and chemical resistance.
  • It is recommended for medium and high density seal tape, tube, rod, elastic band, belt, and short length fibers.
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Applications

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For which system

Pre-formed Tape / Gaskets|
Sealants

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Pureflon™ 4DF properties

Other properties

PropertiesValue & unitTest conditionTest method
Density, Bulk0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
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