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This is a guide to the chemical compatibility of principle tubing materials with selected fluids. Click here to see the standard chemical compatibility of principle wetted materials of valves with selected fluids.

Chemicals	Silicone	PTFE	Tygon®	PharMed®
Acetaldehyde	C	-	C	C
Acetic acid 10%	B	-	A	A
Acetic anhydride	B	-	C	A
Aceton	C	-	C	C
Alcohol	B	-	A	B
Ammonia water	C	-	B	B
Ammonium-Nitrate	B	-	D	D
Benzene	C	-	C	C
Butane	B	-	A	A
Butyl acetate	C	-	C	B
Caustic soda 50%	B	-	A	B
Chloric solvent	C	-	C	C
Chloroform	C	-	C	C
Chromic acid	C	-	A	B
Copper sulfate	A	-	A	A
Dimethyl sulfoxide	A	-	C	B
Ethyl acetate	C	-	C	B
Ethylene glycol	B	-	A	A
Ferric Chloride solution43%	B	-	A	A
Formaldehyde	C	-	C	C
Formic acid solution 25%	B	A	A	A
Hexane	C	-	C	C
Hydrochloric acid 20%	C	-	A	B
Hydrogen fluoride	C	-	A	C
Hydrogen peroxide 30%	A	A	A	A
Methyl alcohol	B	-	D	D
Methyl ethyl ketone	C	-	C	C
Nitric acid 10%	C	-	A	A
Petroleum ether	B	-	D	D
Phosphoric acid	B	-	D	D
Potassium hydroxide	B	-	D	D
Propane	B	-	D	D
Pure water (Deionized water)	A	A	A	A
Pyridine	C	-	C	C
Seawater	A	A	A	A
Sodium carbonate	A	A	A	A
Sodium hydroxide	C	-	B	A
Sodium hypochlorite	C	-	A	A
Sulfuric acid 30%	B	-	A	A
Tetrahydrofuran	C	-	C	C
Toluene	C	-	C	C
Xylene	C	-	C	C

A: Compatible B: Compatible under some conditions C: Not suitable for use D: No data available
Note: The above table is for your reference only. It is recommended that you check the compatibility of a selected material with chemicals under your own conditions before use.

*Tygon® and Pharmed® are registered trademarks of Saint-Gobain Performance Plastics.

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