Aluminum sulfate
dea (diethanolamine)
epichlorohydrin
ferric chloride hexahydrate
ptsa (para toluene sulphonic acid)
phosphoric acid
magnesium oxide
mea (monoethanolamine)
sodium formaldehyde sulfoxylate
sodium hydrosulfite
sodium metabisulfite
sulphamic acid,
zinc chloride anhydrous
zinc oxide.