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Peek Chemical Resistance R = Resistant LR = Limited Resistance NR = Not Recommended ND = No Data  Side by Side Material Comparison Chemical Resistance Chart (Note: Large File) 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