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BRAKE FLUID DOT 4 Chemical compatibility with O-rings, rubbers, & plastics

Brake fluid DOT 4 is a glycol-based hydraulic fluid used in automotive brake systems. It provides the necessary pressure to activate the brakes and ensures smooth and efficient operation. Brake fluid DOT 4 has a higher boiling point than DOT 3, making it suitable for high-performance applications. Proper handling, storage, and regular maintenance are essential to ensure brake system performance and safety.

Need BRAKE FLUID DOT 4 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)Acceptable: <15-25% SwellingGet a quote
Silicone (VMQ, PVMQ)Poor: 25-40% SwellingGet a quote
Fluorosilicone (FVMQ)Not Recommended: Over 40% SwellingGet a quote
Polyurethane (PU, AU)Not Recommended: Over 40% 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)--- 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)--- Insufficient Testing DataGet a quote
Hypalon (CSPE)Acceptable: <15-25% SwellingGet a quote
Metal Piston

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Groove Design References

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Custom Parts & Custom O-rings

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