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Sodium metabisulphite

Product ID: 7681-57-4

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Product name: Sodium metabisulphite
CAS No.: 7681-57-4
Molecular Formula: Na2S2O5
Molecular Weight:190.09
Melting point: >300

Specification:
specifications Tech Grade Food Grade

Sodium Metabisulphite (As SO2), % ≥ 64 64

Fe , % ≤ 0.005 0.005

Water-insoluble Matter, % ≤ 0.05 0.05

PH 4.0-4.6 4.0-4.6

Pb, % ≤ --- 0.002

As,% ≤ --- 0.0002

Usage: Rubber industry used as coagulant. Cotton printing and dyeing industry as a bleaching agent after the dechlorination, cotton scouring agent. Leather industry for leather processing, make leather soft, plump, tough, with a waterproof, bending, wear properties.

Package:25kg pp bag,25MT/20FCL

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