Specification of the Sodium metabisulfite
1,Molecular formula : Na₂S₂O₅
2,Molecular weight : 190.10
3,Appearance : white or light yellow crystalline powder
4,Main content :96.5%min 
5,Competitive price, Pass ISO 
6,Annuual production:20,000mt

Usage
1, As the material of medicine
2, As curing agent of rubber
3, As dechlorinating agent and scouring agent of textile
4, It also can be used in the process of leather Moreover
5, As the material of fine chemicals, or used as developer6, In food industry, as bleaching agent, loosening agent, antisepsis bactericide and antioxygen antistaling agent
 

Packing
External packing is Food grade PP woven bag, Internal packing is PE bag, the thickness ≥0.05mm. There are "food additives Sodium metabisulfite" printed on the external packing, with the sign of "Avoid moisture and heat". The trademark is "Sanxiang"
 

Storage & defence
Stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid raining.

Net weight
25kg, 50kg, 1000kg/bag or according to the requirement of  customers