A - little or no action B - moderate action C - strong action S - unknown FLUID OR MATERIAL CONVEYED NR NBR EPDM HYPALON® Banana oil C A C B Barium carbonate A A A A Barium chloride A A A A Barium hydroxide A A A A Barium sulfide A A A A Beer A B B B Beet sugar liquors A B B B Benzal chloride S S S S Benzaldehyde C C B S Benzene C C C C Benzene carboxylic ac. S S S S Benzene sulfon ac.10% S S S S Benzine petrol ether C A C C Benzine petrol naphtha C A C C Benzoic acid C S C B Benzoic aldehyde C S B S Benzotrichloride S S S S Benzyl acetate C S C S Benzyl alcohol C S C S Benzyl chloride S S S S Bichromate of soda S S S S Black sulphate liquor S S S S Bleach (2-12% clorine) S S S S Bordeaux mixture S S A A Boric acid S S A A Brine A S A A Bromic acid S S S S Bromine C C C C Bromobenzene C C C C Bromochloromethane C C C S Bromoethane C C C S Bromotoluene C C C C Bunker oil C A C S Butadiene C C C C Butane C A C B Butanoic acid S S S S Butanol A A A A Butanone S S S S Butoxiethanol S S S S Butyl acetate C S S S Butyl acrylate C S C C Butyl alcohol A A A A Butyl aldehyde S S B S Butyl amine S B B S Butyl benzene S S S S Butyl benzoate S S S S Butyl bromide C C C C Butyl butyrate S S S S Butyl carbitol C S B C Butyl cellosolve C C B B Butyl chloride C C C S Butyl ether C C S S Butyl ether acetaldehy S S S S Butyl ethil ether C C S C Butyl glicol S S B S Butyl oleate C C S S Butyl Phenol S S S S Butyl phthalate C S S S Butyl stearate C B C C Butylene S B C S Butyraldehyde C C B S Butyric acid C C S S Butyric anhydride S S S B