A - little or no action B - moderate action C - strong action S - unknown FLUID OR MATERIAL CONVEYED NR NBR EPDM HYPALON® Cadmium acetate C S B S Calcium acetate C S B C Calcium aluminate A S A A Calcium Bichromate S S B A Calcium bisulphite A A A A Calcium carbonate A A A A Calcium chloride A A A A Calcium hydroxide A S A B Calcium hypochlorite C C B S Calcium nitrate A A A A Calcium sulfide A S A A Calcium sulphate A A A A Caprylic acid C S S S Carbamide S S S S Carbitol S S B S Carbolic acid phenol S S S S Carbon dioxide A A A A Carbon disulfide C S C S Carbon tetrachloride C S C S Carbon tetrafluoride S S S S Carbonic acid A S A A Castor oil S A S A Caustic potash A B A S Caustic soda A B A S Cellosolve S B B S Cellosolve acetate C S S S Chlorinated solvents C C C S Chlorine (dry) C C C C Chlorine (wet) C C C C Chlorine trifluoride C C C C Chloroacetic acid C S B S Chloroacetone C S B S Chlorobenzene C C C S Chlorobenzol C S C S Chlorobromomethane S S S S Chlorobutane C S C S Chloroform C S S S Chloropentane C S C S Chlorosulfonic acid C C C C Chlorotoluene C C C C Chrome plating solutio C S S S Chromic acid C C S S Chromosulfuric acid C C C C Citric acid A A A A Coal oil C A C C Coal tar C A C C Coconut oil C A C S Coke oven gas C B C S Copper chloride B B A A Copper cyanide B S A A Copper hydrate S S S B Copper hydroxide S S B B Copper nitrate B S A A Copper sulphate B S A A Corn oil C A C S Cottonseed oil C S C S Creosote C B C S Cresols C S C S Cresylic acid C S C S Crotonaldehyde C S B S Crude oil C A C S Cumene C B C C Cupric carbonate B A A A Cupric nitrate B A A A Cupric sulphate B A A A Cutting oil C A C S Cycloexane C A C S Cycloexanol C S S S Cycloexanone C C C C Cyclopentane C S C C Cyclopentanol C S B S Cyclopentanone C S S S