canyon components logo

RJ-4 (MIL-F-82522) Chemical compatibility with O-rings, rubbers, & plastics

RJ-4 (MIL-F-82522) is a high-energy rocket propellant used in military and aerospace applications. It is a kerosene-based fuel designed to provide superior performance in rocket engines, delivering high thrust and efficiency. RJ-4 is formulated to meet rigorous military specifications, ensuring reliable performance under extreme conditions. It offers excellent thermal stability, low freezing point, and high energy density, making it suitable for advanced rocket propulsion systems. RJ-4 is also designed to minimize deposits and corrosion, enhancing engine longevity and performance. Its consistent quality and performance characteristics make it a preferred choice for military and aerospace applications. However, RJ-4 is highly flammable and requires careful handling and storage to prevent accidents and ensure safety. Proper safety measures, including the use of appropriate protective equipment and adherence to handling protocols, are essential when working with RJ-4 rocket propellant.

Need RJ-4 (MIL-F-82522) 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)Excellent: <15% SwellingGet a quote
Polyurethane (PU, AU)Acceptable: <15-25% 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)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)Not Recommended: Over 40% SwellingGet 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