PTFE Properties

Poly Tetra Fluoro Ethylene

Waterproof, breathable, naturally hydrophobic, high temperature resistance, and ultra-high corrosion resistance

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waterproof and breathable

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PTFE poce: 0.3υm
Water vapor: 0.0004υm
Water chopiet: 900~10,000υm

Hydrophilic surface

Solid

Hydrophilic surface

Solid

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Hydrophilic Membrane

The filter membrane can be wetted naturally by water or under pressure

For example

PES membrane, hydrophilic surface modified PTFE membrane

Hydrophobic Membrane

The filter membrane cannot be naturally wetted by water

For example

PTFE membrane, UPE membrane