Polymer Data File: Chemical Resistance PEEK

Important Note:

Whilst we try to ensure that this table is as accurate as possible we cannot guarantee that the data contained in the tables is accurate for all blends and grades of PEEK. In all cases the supplier of the material should be contacted to determine the exact chemical resistance of the material.

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PEEK

A B C D E F G H I L M N O P S T U V W Y Z

R = Resistant

LR = Limited Resistance

NR = Not Recommended

ND = No Data 

Chemical	Resistance
	20oC	60oC	100oC
Acetaldehyde	NR	NR	R
Acetic acid (10%)	R	R	R
Acetic acid (glac./anh.)	R	R	NR
Acetic anhydride	ND	ND	ND
Aceto-acetic ester	ND	ND	ND
Acetone	R	R	R
Other ketones	R	R	R
Acetonitrile	ND	ND	ND
Acetylene	R	R	R
Acetyl salicylic acid	ND	ND	ND
Acid fumes	R	R	R
Alcohols	R	R	R
Aliphatic esters	R	R	R
Alkyl chlorides	ND	ND	ND
Alum	R	R	R
Aluminium chloride	R	R	R
Aluminium sulphate	R	R	R
Ammonia, anhydrous	R	R	R
Ammonia, aqueous	R	R	R
Ammonium chloride	R	R	R
Amyl acetate	R	R	R
Aniline	R	R	R
Antimony trichloride	R	R	R
Aqua regia	R	R	ND
Aromatic solvents	R	R	R
Ascorbic acid	ND	BD	ND
Beer	R	R	R
Benzaldehyde	ND	ND	ND
Benzene	R	R	R
Benzoic acid	R	R	R
Benzoyl peroxide	ND	ND	ND
Boric acid	R	R	R
Brines, saturated	R	R	R
Bromide (K) solution	R	R	R
Bromine	NR	NR	NR
Bromine liquid, tech.	NR	NR	NR
Bromine water, saturated aqueous	R	R	R
Butyl acetate	ND	ND	ND
Calcium chloride	R	R	R
Carbon disulphide	R	R	R
Carbonic acid	R	R	R
Carbon tetrachloride	R	R	R
Caustic soda & potash	R	R	R
Cellulose paint	ND	ND	ND
Chlorates of Na, K, Ba	R	R	R
Chlorine, dry	R	R	ND
Chlorine, wet	R	R	R
Chlorides of Na, K, Ba	R	R	R
Chloroacetic acid	R	R	R
Chlorobenzene	R	R	R
Chloroform	R	R	R
Chlorosulphonic acid	R	ND	ND
Chromic acid (80%)	R	ND	ND
Citric acid	R	R	R
Copper salts (most)	R	R	R
Cresylic acids (50%)	R	R	ND
Cyclohexane	R	R	R
Detergents, synthetic	R	R	R
Emulsifiers, concentrated	R	R	R
Esters	ND	ND	ND
Ether	R	R	R
Fatty acids (>C6)	R	R	R
Ferric chloride	R	R	R
Ferrous sulphate	R	R	R
Fluorinated refrigerants	R	R	R
Fluorine, dry	R	R	R
Flourine, wet	ND	ND	ND
Fluorosilic acid	ND	ND	ND
Formaldehyde (40%)	R	R	R
Formic acid	R	R	R
Fruit juices	R	R	R
Gelatine	R	R	R
Glycerine	R	R	R
Glycols	R	R	R
Glycol, ethylene	R	R	R
Glycolic acid	ND	ND	ND
Hexamethylene diamine	ND	ND	ND
Hexamine	R	R	R
Hydrazine	R	R	R
Hydrobromic acid (50%)	ND	ND	ND
Hydrochloric acid (10%)	R	R	R
Hydrochloric acid (conc.)	R	R	ND
Hydrocyanic acid	R	R	R
Hydrofluoric acid (40%)	ND	ND	ND
Hydrofluoric acid (75%)	ND	ND	ND
Hydrogen peroxide (30%)	R	R	R
Hydrogen peroxide (30 - 90%)	R	R	R
Hydrogen sulphide	R	R	R
Hypochlorites	R	ND	ND
Hypochlorites (Na 12-14%)	NR	NR	NR
Iso-butyl-acetate	ND	ND	ND
Lactic acid (90%)	R	R	R
Lead acetate	R	R	R
Lead perchlorate	ND	ND	ND
Lime (CaO)	R	R	R
Maleic acid	R	R	R
Manganate, potassium (K)	R	R	R
Meat juices	R	R	R
Mercuric chloride	R	R	R
Mercury	R	R	R
Methanol	R	R	R
Methylene chloride	ND	ND	ND
Milk products	R	R	R
Moist air	R	R	R
Molasses	R	R	R
Monoethanolamine	ND	ND	ND
Naptha	R	R	R
Napthalene	R	R	R
Nickel salts	R	R	R
Nitrates of Na, K and NH3	R	R	R
Nitric acid (<25%)	R	R	R
Nitric acid (50%)	R	R	R
Nitric acid (90%)	NR	NR	NR
Nitric acid (fuming)	NR	NR	NR
Nitrite (Na)	R	R	R
Nitrobenzene	ND	ND	ND
Oils, diesel	R	R	R
Oils, essential	R	R	R
Oils, lubricating + aromatic additives	R	R	R
Oils, mineral	R	R	R
Oils, vegetable and animal	R	R	R
Oxalic acid	R	R	R
Ozone	R	R	R
Paraffin wax	R	R	R
Perchloric acid	R	R	R
Petroleum spirits	ND	ND	ND
Phenol	R	R	ND
Phosphoric acid (20%)	R	R	R
Phosphoric acid (50%)	R	R	R
Phosphoric acid (95%)	R	R	R
Phosphorous chlorides	R	R	R
Phosphorous pentoxide	R	R	R
Phthalic acid	R	R	R
Picric acid	R	R	R
Pyridine	R	R	R
Salicyl aldehyde	ND	ND	ND
Sea water	R	R	R
Silicic acid	R	R	R
Silicone fluids	R	R	R
Silver nitrate	R	R	R
Sodium carbonate	R	R	R
Sodium peroxide	R	R	R
Sodium silicate	R	R	R
Sodium sulphide	R	R	R
Stannic chloride	R	R	R
Starch	R	R	R
Sugar, syrups & jams	R	R	R
Sulphamic acid	ND	ND	ND
Sulphates (Na, K, Mg, Ca)	R	R	R