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THERMINOL 55 Chemical compatibility with O-rings, rubbers, & plastics

Therminol 55 is a synthetic heat transfer fluid designed for use in non-pressurized, indirect heating systems. It is formulated with high-quality components to provide excellent thermal stability and a long service life. Therminol 55 is suitable for use in a variety of industrial applications, including chemical processing, plastics, and pharmaceuticals. The fluid operates efficiently over a wide temperature range, from -28°C to 315°C (-18°F to 600°F), making it versatile for many thermal management systems. Proper handling and storage of Therminol 55 are essential to maintain its quality and performance. Safety measures, including the use of appropriate protective equipment and adherence to handling protocols, are crucial to prevent skin and eye irritation and other health hazards. Its superior thermal properties make Therminol 55 a valuable heat transfer fluid for ensuring the efficient and reliable operation of industrial heating systems.

Need THERMINOL 55 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)Acceptable: <15-25% SwellingGet a quote
HNBR (Hydrogenated Nitrile)Acceptable: <15-25% 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)--- Insufficient Testing DataGet a quote
Neoprene (Chloroprene)Not Recommended: Over 40% SwellingGet a quote
SBR (Styrene-Butadiene)--- Insufficient Testing DataGet a quote
ACM (Acrylic Rubber)Acceptable: <15-25% SwellingGet a quote
Butyl (IIR, Isobutylene Isoprene)Not Recommended: Over 40% 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)--- Insufficient Testing DataGet a quote
Metal Piston

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