Sulphuric Acid (H₂SO₄) service
Material Compatibility

PTFE-lined for Sulphuric Acid (H₂SO₄)

Is PTFE-lined the right valve material for Sulphuric Acid (H₂SO₄)? The engineering rating, the conditions that limit it, and the better alternatives.

Excellent

Is PTFE-lined compatible with Sulphuric Acid (H₂SO₄)?

For Sulphuric Acid (H₂SO₄) (H₂SO₄) valve service, PTFE-lined is excellent — an excellent choice. PTFE is excellent across all concentrations and temperatures up to 200°C.

Better materials for Sulphuric Acid (H₂SO₄)

Higher-rated options for this service, from the compatibility data.

Hastelloy C-276ExcellentCarbon SteelGoodFRP / PVDF-linedGood

All rated materials for Sulphuric Acid (H₂SO₄)

Hastelloy C-276ExcellentCarbon SteelGoodFRP / PVDF-linedGoodSS 316LFairDuplex 2205FairDuctile IronPoorBronze/BrassNot Recommended
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
A216 WCB Carbon SteelA351 CF8M (SS316)Hastelloy C-276
Services
Sulphuric Acid
Tools
Material Compatibility

Need PTFE-lined valves for Sulphuric Acid (H₂SO₄)?

Send your concentration, temperature and pressure — we confirm PTFE-lined suitability for Sulphuric Acid (H₂SO₄) (or recommend an upgrade) and supply with full certification.

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Engineering references

Sulphuric Acid (H₂SO₄) service guideFull compatibility, valves & standardsPTFE-lined compatibilityEvery fluid this material handlesCompatibility AtlasThe full material x fluid matrix