Industrial ammonium chloride Properties: white crystal powder, easily soluble in water Usage: mainly used in industry of dry cell¡¢electroplating¡¢dye¡¢precision casting¡¢tannage¡¢etchant¡¢feed additive and etc. Packing: 25kg/bag or 50kg/bag Product standard: gb2946-2008 Specification: Appearance White crystal Nh4cl (by dry basis)99.5%min. Moisture0.5%max. 0.0007%max. Heavy metal (by pb)0.0005%max. Sulphate (by so42-)0.02%max. Residues on ignition0.4%max. 25kg/bag or 50kg/bag