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                                                  Home Products Food Grade



                                                  Sodium Metabisulfite (Food grade):

                                                  Molecular formula: Na2S2O5;
                                                  The national standard: GB1893-2008;
                                                  Appearance: white or slightly yellow crystalline powder;
                                                  Packing: In 25kg net plastic lined plastic woven bags, or 1100kg net big bags;
                                                  Validity: 6 months from the date of production;

                                                  Specifications:

                                                   Project

                                                  Indicators 

                                                   Content(Na2S2O5), ω /%

                                                    96.5

                                                   Iron(Fe), ω /%

                                                    0.003

                                                  Insoluble matter in water

                                                   pass

                                                   Heavy metal(Pb), ω /%

                                                    0.0005

                                                   Arsenic(As), ω /%

                                                    0.0001


                                                  Usage:
                                                  A. Bleaching agent in the food industry: Such as maintaining the oxygen in the vegetable dehydration; bleaching and maintaining the freshness of stored fruits like plum, orange, mango, olive, tremella fuciformis, dried bamboo shoots, sweet potato, peanut, mushroom, etc.

                                                  B. Preservatives: Anticorrosion and sterilizing in the production of glazed fruit, canned food, beer and beverages.

                                                  C. Osteoporosis agent: Reducing the toughness of gluten and making cookies crisp.

                                                  Used as a mordant dyeing,fabric antichlor after bleaching,paper fiber bleaching agents,chemical medicine by reducing agent and sulfonating agent,non-ferrous metal ore-dressing agent,waste water treatment agent,tanning agent for leather industries,natural rubber coagulant,additiver for building materials.

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