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HYDROGEN GAS, COLD Chemical compatibility with O-rings, rubbers, & plastics

Hydrogen gas (H₂) is a colorless, odorless, and highly flammable gas used in various industrial applications, including ammonia synthesis, petroleum refining, and as a reducing agent in metallurgy. Cold hydrogen gas is often used in processes requiring low temperatures to control reactivity and prevent hazards. Despite its industrial importance, hydrogen gas poses significant safety risks due to its flammability and potential for explosive mixtures with air. Proper handling, storage, and stringent safety measures, including leak detection and adequate ventilation, are essential to ensure safe usage and minimize risks associated with hydrogen gas.

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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

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Full Chem Table

Custom Gaskets & Cut Parts

Material	Performance	Get a quote
FFKM (CanRez™, Kalrez®, Chemraz®)	Excellent: <15% Swelling	Get a quote
FKM ETP (Viton® Extreme)	Excellent: <15% Swelling	Get a quote
FKM (Viton®)	Excellent: <15% Swelling	Get a quote
NBR (Buna-N, Nitrile)	Excellent: <15% Swelling	Get a quote
HNBR (Hydrogenated Nitrile)	Excellent: <15% Swelling	Get a quote
EPDM (Ethylene Propylene)	Excellent: <15% Swelling	Get a quote
Aflas® (TFE/P, FEPM)	--- Insufficient Testing Data	Get a quote
Silicone (VMQ, PVMQ)	Poor: 25-40% Swelling	Get a quote
Fluorosilicone (FVMQ)	Poor: 25-40% Swelling	Get a quote
Polyurethane (PU, AU)	Excellent: <15% Swelling	Get a quote
Teflon® (PTFE)	--- Insufficient Testing Data	Get a quote
Neoprene (Chloroprene)	Excellent: <15% Swelling	Get a quote
SBR (Styrene-Butadiene)	Acceptable: <15-25% Swelling	Get a quote
ACM (Acrylic Rubber)	Acceptable: <15-25% Swelling	Get a quote
Butyl (IIR, Isobutylene Isoprene)	Excellent: <15% Swelling	Get a quote
Butadiene Rubber (BR)	Excellent: <15% Swelling	Get a quote
Isoprene Rubber (Polyisoprene)	Excellent: <15% Swelling	Get a quote
Natural Rubber (NR)	Acceptable: <15-25% Swelling	Get a quote
Hypalon (CSPE)	Excellent: <15% Swelling	Get a quote

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Metal Piston

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Groove Design References

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Coatings, Packaging, & Other Services

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Custom Parts & Custom O-rings

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