Description

 ♦ Factory Introduction
The Sodium Metabisulphite factory we are representing was established in***4 and it is one of the oldest Sodium Metabisulphite factory in China. our factory's production capacity is around ***0MT/Month. Our Sodium Metabisulphite's main purity is *7%MINand there are two grades including tech grade and food grade.We have ever exported Sodium Metabisulphite to Canada and Australia for mining; to America for textile industry; to Thailand and India for food industry; to Switzerland and Malaysia for water treatment; to Egpyt and South Africa for tannery.
 
♦ the following are the specifications of our sodium metabisulfite.
1. Industrial grade sodium metabisulfite
Quality standard: HG/T********7
Content (based on Na2S2O5): *7% Min
Iron  (Fe): 0.**3% Max
PH 4.**4.6 
Insoluble substance in water: 0.*5% Max
Main use:tanning,mining,textile

2. Food grade sodium metabisulfite (Quality standard: GB********8)
Main content (base on Na2S2O5): *7%Min; (based on SO2): *5.0%Min
Iron content (based on Fe): 0.**3%Max
Content of heavy metal (based on Pb): 0.***5%Max
Arsenic content (based on As): 0.***1%Max
Water-insoluble Matter 0.*5%Max
PH 4.**4.6 
Main use:Bleaching agent;Loosening agent;Antioxidant; Water Treatment