Caustic Soda (NaOH) service
Material Compatibility
Rubber-lined (natural rubber/EPDM) for Caustic Soda (NaOH)
Is Rubber-lined (natural rubber/EPDM) the right valve material for Caustic Soda (NaOH)? The engineering rating, the conditions that limit it, and the better alternatives.
Good
Is Rubber-lined (natural rubber/EPDM) compatible with Caustic Soda (NaOH)?
For Caustic Soda (NaOH) (NaOH) valve service, Rubber-lined (natural rubber/EPDM) is good — a good choice. Good up to 50% at ambient temperature.
Better materials for Caustic Soda (NaOH)
Higher-rated options for this service, from the compatibility data.
All rated materials for Caustic Soda (NaOH)
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026
Connected Engineering
Materials
Need Rubber-lined (natural rubber/EPDM) valves for Caustic Soda (NaOH)?
Send your concentration, temperature and pressure — we confirm Rubber-lined (natural rubber/EPDM) suitability for Caustic Soda (NaOH) (or recommend an upgrade) and supply with full certification.
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