... min Packing:in 25/50/1000kg PP/PE bags Sodium Metabisulphite (Technical Grade)Apperance:White or slight yellow crystalline powder.It ... gives steady Sodium Bisulfite when soluble in water;soluble in glycerine ... SOUTH AMERICA,EGYPT,INDONESIA,MALAYSIA,UKRAINE,VIETNAM,AUSTRLIA,NEWZELAND etc. Sodium Metabisulphite(Technical Grade)