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AMMONIA (ANHYDROUS) Chemical compatibility with O-rings, rubbers, & plastics

Anhydrous ammonia is a colorless gas with a pungent odor, used primarily as a fertilizer and a refrigerant. It is represented by the chemical formula NH3. In agriculture, anhydrous ammonia is injected into the soil to provide a readily available source of nitrogen for crops. It is also used in industrial refrigeration systems and as a raw material in the production of various chemicals. Anhydrous ammonia is highly toxic and can cause severe respiratory irritation, burns, and eye damage upon exposure. Proper handling, storage, and use of personal protective equipment (PPE) are essential to ensure safety.

Need AMMONIA (ANHYDROUS) 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®)Acceptable: <15-25% SwellingGet a quote
FKM ETP (Viton® Extreme)Poor: 25-40% SwellingGet a quote
FKM (Viton®)Not Recommended: Over 40% 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)Excellent: <15% SwellingGet a quote
Aflas® (TFE/P, FEPM)Acceptable: <15-25% SwellingGet a quote
Silicone (VMQ, PVMQ)Acceptable: <15-25% 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)Excellent: <15% 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)Excellent: <15% 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

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