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WOLMAR SALT Chemical compatibility with O-rings, rubbers, & plastics

Wolmar salt, also known as Glauber's salt, is the decahydrate form of sodium sulfate (Na₂SO₄·10H₂O). It is a white crystalline solid that is soluble in water and has various applications. In medicine, Wolmar salt is used as a laxative and in the treatment of constipation. It is also employed in the manufacture of glass, detergents, and dyes. In the textile industry, it serves as a leveling agent in dyeing processes. Additionally, Wolmar salt is used in the chemical industry for the production of sodium sulfide, sodium silicate, and other sodium compounds.

Need WOLMAR SALT resistant plastics, O-rings, rubbers, and seals? Get in touch now!


Canyon Components strives to meet all customer service requests. If you need something that isn't listed below, feel free to contact a Canyon Components product and application consultant and let our knowledgeable staff help you design the perfect part for your needs.

Paint covered o-ring
MaterialPerformanceGet a quote
FFKM (CanRez™, Kalrez®, Chemraz®)Excellent: <15% SwellingGet a quote
FKM ETP (Viton® Extreme)Excellent: <15% SwellingGet a quote
FKM (Viton®)Excellent: <15% SwellingGet a quote
NBR (Buna-N, Nitrile)Excellent: <15% SwellingGet a quote
HNBR (Hydrogenated Nitrile)Excellent: <15% SwellingGet a quote
EPDM (Ethylene Propylene)Excellent: <15% SwellingGet a quote
Aflas® (TFE/P, FEPM)--- Insufficient Testing DataGet a quote
Silicone (VMQ, PVMQ)Excellent: <15% SwellingGet a quote
Fluorosilicone (FVMQ)Excellent: <15% SwellingGet a quote
Polyurethane (PU, AU)Excellent: <15% SwellingGet a quote
Teflon® (PTFE)--- Insufficient Testing DataGet a quote
Neoprene (Chloroprene)Acceptable: <15-25% SwellingGet a quote
SBR (Styrene-Butadiene)Excellent: <15% SwellingGet a quote
ACM (Acrylic Rubber)Acceptable: <15-25% SwellingGet a quote
Butyl (IIR, Isobutylene Isoprene)Excellent: <15% SwellingGet a quote
Butadiene Rubber (BR)Excellent: <15% SwellingGet a quote
Isoprene Rubber (Polyisoprene)Excellent: <15% SwellingGet a quote
Natural Rubber (NR)Excellent: <15% SwellingGet a quote
Hypalon (CSPE)Excellent: <15% SwellingGet a quote
Metal Piston

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