Sodium Hydrosulfite

Specifications︰ Sodium hydrosulphite
Quality standard：HG2074-2004, JISK1476-1995, HG/T2682-1995
Molecular formula：Na2S2O4
Appearance：white free-flow crystal powders
Packing：15kg, 25kg ,50kg or 100kg net in iron drums with double inner polybags.

Advantages︰ INDEX 90% 88% 85% FOOD ADDITIVE
Na2S2O4 ≥90% ≥88% ≥85% ≥85%
Fe ≤20ppm ≤20ppm ≤20ppm ≤20ppm
Zinc（Zn） ≤1ppm ≤1ppm ≤1ppm ≤1ppm
Other heavy metal
（calculated as Pb） ≤1ppm ≤1ppm ≤1ppm ≤1ppm
Water Insolubles ≤0.05% ≤0.05% ≤0.05% ≤0.05%
Shelf Life(month) 12 12 12 12