Industrial chemical resistance reference data
Buna-N EPDM HDPE PTFE PVC PVDF Polypropylene Stainless Steel Viton
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Compatibility Database

PTFE Compatibility Reports

All Materials Buna-N 644 EPDM 644 HDPE 644 PTFE 644 PVC 644 PVDF 644 Polypropylene 644 Stainless Steel 644 Viton 644

Sulfuric Acid (93%)

A-Excellent
vs PTFE
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Sulfuric Acid (98%)

A-Excellent
vs PTFE
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Sulfuric Acid (<10%)

A-Excellent
vs PTFE
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Sulfuric Acid (cold concentrated)

A-Excellent
vs PTFE
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Sulfuric Acid (hot concentrated)

A-Excellent
vs PTFE
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Sulfurous Acid

A-Excellent
vs PTFE
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Syltherm 800

A-Excellent
vs PTFE
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Tallow

A-Excellent
vs PTFE
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Tannic Acid

A-Excellent
vs PTFE
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Tanning Liquors

A-Excellent
vs PTFE
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Engineering Disclaimer: Compatibility ratings are provided for reference only. Always verify operating temperatures, concentration limits, and pressure conditions before deploying any material in an active industrial environment.

An industrial chemical compatibility database covering resistance ratings for Polypropylene, Stainless Steel, and Viton across hundreds of acids, solvents, oils, and plating solutions.

Ratings reflect standard industrial testing parameters at ambient temperatures (72°F / 22°C).

Materials

  • Buna-N 644
  • EPDM 644
  • HDPE 644
  • PTFE 644
  • PVC 644
  • PVDF 644
  • Polypropylene 644
  • Stainless Steel 644
  • Viton 644

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Rating Guide

A Excellent — minimal swelling or attack
B Good — acceptable for most uses
C Fair — not for continuous exposure
D Severe effect — avoid completely
© 2026 ChemProps Chemical Compatibility Database. All rights reserved. Reference data for engineering guidance only.