Detailed Product Description

Main use:
1.Bleaching agent (such as candy, cakes, dried slices of tender bamboo shoots)
2.Loosening agent (such as bread, biscuits) preservative, disinfector (such as jam and can)
3.Antioxidant, anti-staling, preservative  agent (such as seafood, fruits, vegetables)
4. Water Treatment

Prodcut: Sodium Metabisulphite

Molecular formula: Na₂S₂O₅

the following is the general specifications of our sodium metabisulfite.

1. Industrial grade sodium metabisulfite

Quality standard: HG/T2826-1997
Item: high-rate, first-rate
Content (based on Na₂S₂O₅): ≥95.0% / 97.2%
Iron < (Fe): ≤0.005% / 0.003%
Insoluble substance in water: ≤0.05 / 0.03

main use:leather tanning, cloth knitting, organic matters blanching, mordants

2. Food grade sodium metabisulfite

Quality standard: GB1893-1998
Main content (base on Na₂S₂O₅): ≥95.0%; (based on SO₂): ≥65.0%
Iron content (based on Fe): ≤0.005%
Content of heavy metal (based on Pb): <=0.001%
Arsenic content (based on As): ≤0.0002%

HS code:28321000/28322000