Molecular formula: Na2S2O4
Appearance: White free-flow crystal powders

Specification:
Na2S2O4: 85%/88%/90%min,
Fe: 20ppm max,
Zn: 1ppm max,
Water insoluble: 0.05% max

Application:
Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile bleaching.
It is also used in bleaching paper pulps, especially mechanical pulps.

Application:
Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile bleaching.
It is also used in bleaching paper pulps, especially mechanical pulps