Polystyrene Chemical Resistance

A=Good, B=Fair, C=Poor
Resin in contact for 24h
No load applied
			23 °C	50 °C	75 °C
INORGANIC ACIDS	Hydrocloric Acid	10%	B	B
		35%	B	B
	Nitric Acid	10%	B	B
		35%	B	B
	Sulfuric Acid	10%	A	A
		35%	A	A
	Hydrofluoric Acid	10%	B	B
		50%	C	C	C
	Chromic Acid	10%	A	B
		50%	B	B
	Aqua Regia	10%	B	C	C
		50%
ORGANIC ACIDS	Acetic Acid	10%	B	B	C
		50%	C	C	C
	Citric Acid	10%	A	B
		50%
	Formic Acid	10%	A	A
		50%	A	A
	Tartaric Acid	10%	A	B
		50%
	Acrylic Acid	10%
		50%
ALKALIES	Ammonia	10%	A	A
		50%
	Sodium Hydroxide	10%	A	B
		50%	A
	Potassium Hydroxide	10%	A	A
		50%	A	A
	Ammonium Hydroxide	10%	A	B
		50%
ALCOHOLS	Butyl Alcohol (Butanol)	-	A	B
	Methyl Alcohol (Methanol)	-	B	B	C
	Ethyl Alcohol (Ethanol)	85%	B	B
	Cyclohexanol	-
	Ethylene Glycol	-	A	A	A
	Isopropyl Alcohol (Isopropanol)		A	B
	Glycolic Alcohol (Glycerol)	-
KETONES	Acetone		C	C	C
	Cyclohexanone		C	C	C
	Formaldehyde	37%	C	C	C
	Methyl Ethyl Ketone		C	C	C
ESTERS	Ethyl Acetate		C	C	C
ESTERS	Aliphatic esters
ETHERS	Dioxane		C	C	C
ETHERS	Ethylene Oxide		C	C	C
HALOGENATED ORGANIC COMPOSITES	Chloroform		C	C	C
	Methylene Chloride		C	C	C
	Perchloroethylene		C	C	C
	Carbon Tetrachloride (wet)		C	C	C
	Trichloroethylene		C	C	C
HYDROCARBONS	Benzene		C	C	C
	Gasoline (pure)		C	C	C
	Cyclohexane		C	C	C
	Heptane		C	C	C
	Brake Fluids		C	C	C
	Skydrol
	Diesel Fuel		B	B
	Kerosene		B	C	C
	Methane (gas)
	Mineral Oil		A	A
	Toluene		C	C	C
	Xylene		C	C	C
INORGANIC CHEMICALS	Nitrogen
	Sodium Bicarbonate		A	A
	Bromine	10%	C	C	C
	Chlorine (wet)		C	C	C
	Sodium Chloride	10%	A	B
	Fluorine
	Iodine (solution)		B	B
	Sodium Hypoclorite		A	B
	Oxygen (low pressure)
	Ozone	<5 ppm	A
	Sodium (hot)		A
	Copper Sulfate	10%	A	B
	Sulfur		A	A
MISCELLANEOUS	Sea Water		A	A
	Hydrogen Dioxide (Peroxide)	30%	A	B
	Distilled Water		A	A
	Aniline		C	C	C
	Phenol (conc.)		B