... Industrial grade:(GB 2946-92) INSPECTION ITEMUNITFIRST GRADEREGULAR GRADEAmmonium chloride(As NH4Cl)%Min99.599.0Moisture%Max0.71.00Iron%Max0. ... event of a fire,use water,soil or carbon dioxide fire extinguishing media Our main items moreover include Sodium ... Sodium hydrosulphide,Oxalic acid,Formic acid,Calcium formate,Zinc chloride,Ammonium bicarbonate,Sodium metabisulphite,Alum,Aluminium sulphate,Soda ...