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DESMODUR Chemical compatibility with O-rings, rubbers, & plastics

Desmodur is a trade name for a group of polyisocyanates used in the production of polyurethane foams, coatings, and adhesives. These compounds can cause skin and respiratory irritation upon exposure. Proper handling, storage, and the use of personal protective equipment (PPE) are essential to ensure safety.

Need DESMODUR 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®)--- Insufficient Testing DataGet a quote
FKM ETP (Viton® Extreme)--- Insufficient Testing DataGet a quote
FKM (Viton®)--- Insufficient Testing DataGet a quote
NBR (Buna-N, Nitrile)--- Insufficient Testing DataGet a quote
HNBR (Hydrogenated Nitrile)Not Recommended: Over 40% SwellingGet a quote
EPDM (Ethylene Propylene)Not Recommended: Over 40% SwellingGet a quote
Aflas® (TFE/P, FEPM)--- Insufficient Testing DataGet a quote
Silicone (VMQ, PVMQ)Not Recommended: Over 40% SwellingGet a quote
Fluorosilicone (FVMQ)--- Insufficient Testing DataGet a quote
Polyurethane (PU, AU)--- Insufficient Testing DataGet a quote
Teflon® (PTFE)Not Recommended: Over 40% 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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Groove Design References

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Coatings, Packaging, & Other Services

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Custom Parts & Custom O-rings

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