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Simriz

Chemical Resistance
For Valves, Flanges, O-Rings and Seals

KEY
PF75	Perfluoroelastomer (Simriz)
FKM	Fluoroelastomer (Viton)*
EPDM	Ethylene-Propylene (EPDM)

RATING SYSTEM
A	Little or no effect (Volume swell <10%)
B	Possible loss of physical properties
C	Noticeable change (Volume swell 20-40%)
U	Not suitable for service

CHEMICAL RESISTANCE		PF75	FKM	EPDM
ACIDS
	Acetic Acid, Glacial	A	C	A
	Hydrochloric Acid	A	A	A
	Hydrofluoric Acid	A	A	C
	Nitric Acid	A	A	B
	Trichloroacetic Acid	A	C	B
INORGANIC BASES
	Potassium Hydroxide	A	U	A
	Sodium Hydroxide	A	B	A
ALCOHOLS/ETHERS
	Isopropyl Alcohol	A	A	A
	Methyl Alcohol	A	U	A
	Tetrahydrofuran	A	U	C
AROMATIC HYDROCARBONS
	Benzene	A	A	U
	Toluene	A	A	U
ALIPHATIC HYDROCARBONS
	ASTM Oil #3	A	A	U
ESTERS
	Dimethylphthalate	A	B	B
ALDEHYDES/KETONES
	Acetone	A	U	A
	Methyl Ethyl Ketone (MEK)	A	U	A
AMINES
	Aniline	A	C	A
	Ethylenediamine	B	U	A
CHLOROCARBON SOLVENTS
	Carbon Tetrachloride	A	A	U
	Methylene Chloride	A	B	C
	Trichloroethane	A	A	U

*Viton is a registered trademark of DuPont

Simriz is highly regarded for valves and flanges resistance to chemicals in the Chemical Processing and Petroleum refining industries, and also for valves and flanges in the Semiconductor industry.

Next Topic Simriz Thermal Stability

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