... , all kinds of metallic hydroxide, all kinds of heavy metallic salt, synthetic cryolite and so on. Organic compounds: fenatrol (insecticide of ... , clay and so on. Dyestuff: anthraquinone, black ferric oxide, indigo blue pigment, butyric acid, titanium hydroxide, zinc sulfide, all kinds of ... , less, tritcin, wheat starch and so on.Technical Parameter hard salt Dryer