... fertilizer, potassium nitrate, ammonium chloride, monoammonium phosphate, diammonium phosphate, heavy calcium carbonate,Calcium Superphosphate, ammonium sulphate, phosphate rock powder etc 2. Powder Material ... cyanurate, cyanuric acid, bleaching powder, zinc oxides, lead oxide, strontium carbonate , calcium chloride, bicalcium phosphate, phosphate sodium, metasilicate sodium silicate,, cryolite, ...