Which O-ring material is best for Silicon Tetrafluoride?

Materials rated Excellent or Good for Silicon Tetrafluoride include Perfluoroelastomer. Confirm the final choice against your operating temperature and concentration.

Are these Silicon Tetrafluoride compatibility ratings guaranteed?

No. Ratings are guideline values at ambient temperature (~20°C) and are not a warranty. Compatibility with Silicon Tetrafluoride varies with temperature, concentration, pressure and exposure time — always validate for your application.

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Chemical Compatibility

Silicon Tetrafluoride Compatibility with O-Ring Materials

See how Nitrile, Viton (FKM), EPDM, FFKM, silicone and other seal materials rate against Silicon Tetrafluoride, with an A–D chemical resistance scale.

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Material	Code	Trade Names	Rating
Nitrile (Buna-N)	NBR	Buna-N, Hycar	XInsufficient Data
Hydrogenated Nitrile	HNBR	Therban, Zetpol	XInsufficient Data
Fluorocarbon (Viton)	FKM	Viton, Fluorel	XInsufficient Data
Perfluoroelastomer	FFKM	Kalrez, Chemraz	BGood
Ethylene Propylene	EPDM	Nordel, Vistalon	XInsufficient Data
Silicone	VMQ	Silastic, Elastosil	XInsufficient Data
Fluorosilicone	FVMQ	Fluorosilicone LS, Silastic FSR	XInsufficient Data
Neoprene (Chloroprene)	CR	Neoprene, Baypren	XInsufficient Data
Natural Rubber	NR	NR, Isoprene (IR)	XInsufficient Data
Styrene Butadiene	SBR	Buna-S, GR-S	XInsufficient Data
Butyl	IIR	Butyl, Exxon Butyl	XInsufficient Data
Polyurethane	AU	Adiprene, Vibrathane	XInsufficient Data
Aflas (TFE/P)	FEPM	Aflas, FEPM	XInsufficient Data

AExcellentBGoodCFairDNot RecommendedXInsufficient Data

Guideline only. Values and ratings are representative at ambient conditions and are not a warranty of performance. Actual results vary with temperature, pressure, concentration and exposure time. Validate for your specific application — our engineers can help.

Choosing a seal material for Silicon Tetrafluoride

The table above rates every common O-ring elastomer for service in Silicon Tetrafluoride on an A–D scale. A is Excellent, B is Good, C is Fair (test before relying on it), and D is Not Recommended. An X indicates insufficient published data.

For Silicon Tetrafluoride, the strongest candidates are Perfluoroelastomer. These ratings are representative at ambient conditions (~20°C). Compatibility shifts with temperature, concentration, pressure and exposure time, so always validate the material against your real operating envelope before committing to a design.

Silicon Tetrafluoride Compatibility with O-Ring Materials

Choosing a seal material for Silicon Tetrafluoride

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