Sodium Metabisulfite

Sodium Metabisulfite Specifications Sodium Metabisulfite; Na2S2O5; Popular sale in Africa; Australia; South and North America; South East Asia; Mid East. 1- Sodium Metabisulfite INDUSTRIAL GRADE / FOOD GRADE 2- Another Name: Sodium Pyrosulfite 3- Molecular Formula: Na2S2O5 4- CAS No.: 7681-57-4 5- HS Code: 2832 1000 00 6- Professional Manufacturer 7- Yearly output : 50,000MTS 8- More than 10years exporting experience 9- Unque advantage on traffic and raw materials resource Product Feature Quantity per 20feet Container: 1- in 25kg PP / PE bag, loading 27mt per 20'FCL without pallets 2- in 25kg pp / PE bag, loading 25mt per 20'FCL with pallets 3- in 1000 - 1250kg big bag, loading 20 big bags per 20'FCL with OR without pallets Product Specification / Models Specification Sheet: Tests Specification Appearance: White free-flowing Crystal Powder Purity (Na2S2O5) 97% min Iron (Fe) 0.003% min Heavy Metal (Pb) 5 ppm max Arsenic (As) 1 ppm max Water Insoluble 0.05% max PH Value 4.0-4.6 Application / Models Medicine industry: Used for manufacturing trichloromethane, sulphetrone and benzaldohyde. Rubber industry: Used as coagulative agent. Dye-industry: Used as dechlorination agent and cotton boiling-off agent for bleached cotton. Leather industry: It can make leather soft, well-developed, tough water proof, wear-ability Chemical industry: Used for manufacturing hydrochloride hydroxylamine and etc. Light-sensitive industry: Used as developer and others. Flotation reagent,mining industry chemicals Other Information Skype: alicexfu2006