... calcium. antibacterial.widely used in chemical, construct material and leather product.Packing: 25kgs plastic woven bag or paper ... grade Tech grade 1Tech grade 2AppearanceWhite crystalWhite powderWhite powderContent % ≥98.0096.0093.00Moisture % ≤0.400.501.00Ca % ... hydrosulphide,Oxalic acid,Formic acid,Sodium formate,Zinc chloride,Ammonium bicarbonate,Sodium metabisulphite,Alum,Aluminium sulphate,Soda ...