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PTFE Chemical Resistance Chart

PTFE (Teflon) is the gold standard for chemical resistance — virtually inert to all chemicals. Used in gaskets, seals, bearings, and linings for the most demanding applications.

950+ chemicals tested 20°C & 50°C data

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Excellent (A)

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Good (B)

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Limited (C)

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Not Recommended (D)

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Chemical	Concentration	20°C	50°C	CAS

PTFE Properties

Full Name Polytetrafluoroethylene

Brand Name Teflon® (Chemours)

Max Temperature 260°C (500°F)

Min Temperature -200°C (-328°F)

Common Applications

Gaskets & Seals

Universal chemical gaskets, valve seats, pump seals

Linings

Tank and pipe linings for aggressive chemicals

Bearings

Self-lubricating bearings and slides

Not Recommended For

PTFE may degrade when exposed to:

Molten alkali metals (sodium, potassium)
Elemental fluorine at high pressure

Certain fluorinated compounds at extreme conditions

Tip: PTFE cannot be melt-processed. For tubing and complex shapes, consider FEP which offers similar resistance.

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