Product Description
Company Info
Product Description
M. W.: 190.10
Serial Numbers: GB 12493-90(05.003); INS 223; EEC No. E223; CAS 7681-57-4
Synonyms: Sodium Pyrosulfite; Disodium Pyrosulfite.
Description: White or slight yellow crystalline powder; Soluble in water and solution is of
pH: 4.0 - 5.5 (1% solution); Not soluble in alcohol; Not stable in high humidity
And high temperature.
Specifications: GB1893-86 FCC 1996
- Purity (Na2S2O5): 90.0 - 100.5%
- Purity (SO2): 65.0% min;
- Fe: 0.003% max; 0.002% max
- Water Insolubles: 0.05% max;
- pH: 4.0 - 4.6;
- As: 0.0002% max;
- Heavy Metals (Pb): 0.001% max; 10mg/kg max
- Se: 0.003% max
Package: In 25 kg net PP woven bags with inner lining; Or in 1000kg - 1500kg jumbo bags.
Address:
Caotang Village, Jiucheng Town, Huanghua City, Hebei, China
Business Type:
Manufacturer/Factory
Business Range:
Construction & Decoration, Light Industry & Daily Use, Security & Protection, Tools & Hardware
Company Introduction:
Huanghua global hardware & chemical Co., Ltd. It is located in huanghua city of Hebei province. Which is professionally engaged in the production and sale of all kinds of metal products.
Our factory consistently supplies a wide range of quality, all kinds of garden metal products, fencing, plant support, garden fence, fence post support, stamping parts, post anchors, and many other metal hardware products to the United States, Canada, Europe, Australia and other countries.
Our factory consistently supplies a wide range of quality, all kinds of garden metal products, fencing, plant support, garden fence, fence post support, stamping parts, post anchors, and many other metal hardware products to the United States, Canada, Europe, Australia and other countries.