10ppm
Heavy metal(as Pb)
1ppm
Arsenic(As)
slightly cloudy
Solution appearance
50ppm
Iron(Fe)
96.5%(SO2 65%)
Na2S2O5
Food Grade
1ppm
Arsenic(As)
0.05%
water insolubles
50ppm
Iron(Fe)
96%
Na2S2O5
Technical Grade
Product Specification:
Chemical formula:Na2S2O5
CAS No7681-57-4
Physical appearance:white or slightly yellowish crystalline powder
Application:bleaching agent for textile fibres;Colors stripper and dechlorination; preparation of Indigo Vat Dye;solubilizing and acidyfing agent for leather industries ;bleaching
agent for paper pulps;preservative and sterilisation agent for food industries
shelf life:6 months
Package: 25kg compound plastic woven bag with inner polythene liner; 1000kg or 1100kg Jumbo bags
Shelf Life :6 months
Storage & handling:Store the product in a cool and dry placeprevent from direct sunlight ,water and moistureavoid contact with strong acid,oxidants or poisonous substances.
Exposure to moisture will make it oxidze easily to sodium sulphate.Do not store it for long time .
Sodium Metabisulfite (Technical Grade/Food Grade) |
White granule or crystalline powder,no savor or a bit benzoic savor
Delivery Time: | within 3 or 4 weeks |
Package: | 25kg per bag |
Supply Ability: | 1000 Metric Ton per Week |
Minimum Order Quantity: | 20 Metric Ton |
Payment Terms: | L/C,T/T |
Port: | Tianjin, China |
Fob Price: | US$250-260Tianjin, China |
Brand Name: | oluo |
Place of Origin: | Hebei China (Mainland) |