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SODIUM BISULFITE Chemical compatibility with O-rings, rubbers, & plastics

Sodium Bisulfite is a white, crystalline inorganic compound with the chemical formula NaHSO3. It is used in various industrial, chemical, and food applications as a reducing agent, preservative, and disinfectant. In the food industry, Sodium Bisulfite is used to prevent oxidation and discoloration in foods such as fruits, vegetables, and beverages. It is also employed in the production of certain wines and beers to inhibit microbial growth. In the chemical industry, Sodium Bisulfite is used as a reducing agent in the synthesis of various chemicals and as a dechlorinating agent in water treatment. Proper handling and storage of Sodium Bisulfite are essential to maintain its quality and prevent moisture absorption. It is generally considered safe for consumption at regulated levels, although proper safety measures, including the use of appropriate protective equipment and adherence to handling protocols, are essential to prevent irritation and other health hazards. Its versatility and effectiveness make Sodium Bisulfite a valuable chemical in numerous applications.

Need SODIUM BISULFITE 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)Excellent: <15% SwellingGet a quote
Silicone (VMQ, PVMQ)Excellent: <15% SwellingGet a quote
Fluorosilicone (FVMQ)Excellent: <15% SwellingGet a quote
Polyurethane (PU, AU)--- Insufficient Testing DataGet a quote
Teflon® (PTFE)Excellent: <15% SwellingGet a quote
Neoprene (Chloroprene)--- Insufficient Testing DataGet a quote
SBR (Styrene-Butadiene)--- Insufficient Testing DataGet a quote
ACM (Acrylic Rubber)--- Insufficient Testing DataGet a quote
Butyl (IIR, Isobutylene Isoprene)--- Insufficient Testing DataGet a quote
Butadiene Rubber (BR)--- Insufficient Testing DataGet a quote
Isoprene Rubber (Polyisoprene)--- Insufficient Testing DataGet a quote
Natural Rubber (NR)--- Insufficient Testing DataGet a quote
Hypalon (CSPE)--- Insufficient Testing DataGet a quote
Metal Piston

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