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Add.: 8 Nanjin Rd., Xiangxiang
City, Hunan Prov., China.
P.C.:411400
Tel :+86-731-56816450
Fax:+86-731-56816965 |
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Industrial Grade Sodium Metabisulfite |
Molecular Formula: Na2S2O5
Molecular Weight: 190.10
Appearance: white or yellowish crystalline powder
Quality Standard: HG/T2826-1997
Item |
High-rate |
First-rate |
Assay(Na2S2O5) %≥ |
96.0 |
94.0 |
Fe %≤ |
0.005 |
0.010 |
Water insolubles ≤ |
0.05 |
0.05 |
As % ≤ |
0.0001 |
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Use: mordant in printing and dyeing; dechlorinating agent; reducing agent and sulphonating agent in pharmacy and chemical engineering; bleaching agent of bamboo, wood and paper fibers; water treatment agent; rubber coagulator etc.
Packing: In PP woven bag lined with PE bag.
Net Weight: 25, 50, 1000 kgs/bag.
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