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HEF-2 (TRIALKYL PENTABORANE) Chemical compatibility with O-rings, rubbers, & plastics

HEF-2, also known as trialkyl pentaborane, is a high-energy fuel used in rocket propulsion and other applications requiring high energy density. It is highly flammable and can cause severe skin and respiratory irritation upon exposure. Proper handling, storage, and the use of personal protective equipment (PPE) are essential to ensure safety.

Need HEF-2 (TRIALKYL PENTABORANE) 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

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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)	Acceptable: <15-25% Swelling	Get a quote
HNBR (Hydrogenated Nitrile)	Acceptable: <15-25% Swelling	Get a quote
EPDM (Ethylene Propylene)	Not Recommended: Over 40% Swelling	Get a quote
Aflas® (TFE/P, FEPM)	Excellent: <15% Swelling	Get a quote
Silicone (VMQ, PVMQ)	Not Recommended: Over 40% Swelling	Get a quote
Fluorosilicone (FVMQ)	Acceptable: <15-25% Swelling	Get a quote
Polyurethane (PU, AU)	--- Insufficient Testing Data	Get a quote
Teflon® (PTFE)	--- Insufficient Testing Data	Get a quote
Neoprene (Chloroprene)	--- Insufficient Testing Data	Get a quote
SBR (Styrene-Butadiene)	--- Insufficient Testing Data	Get a quote
ACM (Acrylic Rubber)	--- Insufficient Testing Data	Get a quote
Butyl (IIR, Isobutylene Isoprene)	--- Insufficient Testing Data	Get a quote
Butadiene Rubber (BR)	--- Insufficient Testing Data	Get a quote
Isoprene Rubber (Polyisoprene)	--- Insufficient Testing Data	Get a quote
Natural Rubber (NR)	--- Insufficient Testing Data	Get a quote
Hypalon (CSPE)	--- Insufficient Testing Data	Get a quote

hef-2-high-energy-fuel

helium

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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