Product Main

Specifications

Specifications
1.Leading ISO manufacturer since 1997
2.One of the largest exporter and supplier
3.3000MT/month
4.Best quality and Best price
Product name:Sodium Metabisulphite(Tech Grade/Food Grade),Sodium metabisulfite,SMB 96%
CAS No.: 7681-57-4 
Molecular Formula:Na2S2O5  
Molecule Weight:190.10
Appearance:White or light yellow crystalline powder
HS Code:28321000
Quality standard: GB1893-86
 
Specification
Specifications
Industrial Grade
Food Grade
Na2S2O5%≥
96.0
68.0
SO2%≥
64.0
64.0
Iron(Fe)%≤
0.005
0.005
Water insolubles%≤
0.05
0.05
PH
4.0-4.6
4.0-4.6
Arsenic(As)%≤
0.01
0.002
Heavy metals, as Pb  %≤
 
0.0002
Usage:
1,Industrial grade: It is used in leather,priniting and dyeing etc.
2,Foodgrade : is used as a food additive, mainly as a preservative and is sometimes identified as E223
Package:25kg pp bag ,22MT /20'FCL
Delivery time:Within 15days after received your workable payment