canyon components logo

THERMINOL 66 Chemical compatibility with O-rings, rubbers, & plastics

Therminol 66 is a high-temperature heat transfer fluid designed for use in a wide range of industrial applications. It is formulated with high-quality synthetic components to provide excellent thermal stability and resistance to oxidation and thermal degradation. Therminol 66 is suitable for use in various heat transfer systems, including chemical processing, plastics, and petroleum refining. The fluid operates efficiently over a wide temperature range, from -3°C to 345°C (26°F to 653°F), making it versatile for many thermal management systems. Proper handling and storage of Therminol 66 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 66 a valuable heat transfer fluid for ensuring the efficient and reliable operation of industrial heating systems.

Need THERMINOL 66 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®)--- Insufficient Testing DataGet a quote
NBR (Buna-N, Nitrile)--- Insufficient Testing DataGet a quote
HNBR (Hydrogenated Nitrile)--- Insufficient Testing DataGet a quote
EPDM (Ethylene Propylene)--- Insufficient Testing DataGet a quote
Aflas® (TFE/P, FEPM)--- Insufficient Testing DataGet a quote
Silicone (VMQ, PVMQ)--- Insufficient Testing DataGet 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)--- 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

Get a quote now!

Groove Design References

Learn More

Coatings, Packaging, & Other Services

Learn More

Custom Parts & Custom O-rings

Learn More