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WAGNER 21B BRAKE FLUID Chemical compatibility with O-rings, rubbers, & plastics

Wagner 21B Brake Fluid is a high-performance hydraulic fluid designed for use in automotive brake systems. It provides excellent lubrication, thermal stability, and resistance to oxidation and wear. Wagner 21B ensures efficient and reliable operation of brake systems, offering superior protection against rust and corrosion. Proper handling and storage are essential to maintain its quality and performance. Safety measures, including the use of appropriate protective equipment and adherence to handling protocols, are crucial when working with Wagner 21B Brake Fluid.

Need WAGNER 21B BRAKE FLUID 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®)Not Recommended: Over 40% SwellingGet a quote
NBR (Buna-N, Nitrile)Poor: 25-40% SwellingGet a quote
HNBR (Hydrogenated Nitrile)Poor: 25-40% SwellingGet a quote
EPDM (Ethylene Propylene)Excellent: <15% SwellingGet a quote
Aflas® (TFE/P, FEPM)--- Insufficient Testing DataGet a quote
Silicone (VMQ, PVMQ)Poor: 25-40% SwellingGet a quote
Fluorosilicone (FVMQ)Not Recommended: Over 40% SwellingGet a quote
Polyurethane (PU, AU)--- Insufficient Testing DataGet 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)--- Insufficient Testing DataGet a quote
Butyl (IIR, Isobutylene Isoprene)Acceptable: <15-25% SwellingGet a quote
Butadiene Rubber (BR)--- Insufficient Testing DataGet a quote
Isoprene Rubber (Polyisoprene)--- Insufficient Testing DataGet a quote
Natural Rubber (NR)Acceptable: <15-25% SwellingGet a quote
Hypalon (CSPE)Acceptable: <15-25% SwellingGet 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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