canyon components logo

HILO MS #1 Chemical compatibility with O-rings, rubbers, & plastics

HILO MS #1 is a high-temperature hydraulic oil designed for use in demanding industrial applications. It is formulated to provide excellent thermal stability, oxidation resistance, and protection against wear and corrosion. This hydraulic oil is used in high-pressure hydraulic systems, including those found in construction equipment, manufacturing machinery, and automotive systems. HILO MS #1 ensures smooth and efficient operation of hydraulic components, even under extreme temperature conditions. Its properties help extend the lifespan of hydraulic systems by reducing friction, preventing overheating, and minimizing deposit formation. Proper maintenance and regular oil changes are recommended to maintain optimal performance.

Need HILO MS #1 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)Not Recommended: Over 40% SwellingGet a quote
HNBR (Hydrogenated Nitrile)Not Recommended: Over 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)Poor: 25-40% SwellingGet a quote
Polyurethane (PU, AU)Not Recommended: Over 40% SwellingGet a quote
Teflon® (PTFE)--- Insufficient Testing DataGet a quote
Neoprene (Chloroprene)Not Recommended: Over 40% SwellingGet a quote
SBR (Styrene-Butadiene)Not Recommended: Over 40% SwellingGet a quote
ACM (Acrylic Rubber)Not Recommended: Over 40% SwellingGet a quote
Butyl (IIR, Isobutylene Isoprene)Acceptable: <15-25% SwellingGet a quote
Butadiene Rubber (BR)Not Recommended: Over 40% SwellingGet a quote
Isoprene Rubber (Polyisoprene)Not Recommended: Over 40% SwellingGet a quote
Natural Rubber (NR)Not Recommended: Over 40% SwellingGet a quote
Hypalon (CSPE)Not Recommended: Over 40% SwellingGet 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