الوصف

Sodium hydrosulphite Quality standard：HG/********4, JISK********5, HG/T********5 Molecular formula：Na2S2O4 Appearance：white free-flow crystal powders Packing：*5kg, *5kg , *0kg or **0kg net in iron drums with double inner polybags. Application: 1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching . 2. It is also used in bleaching paper pulps , especially mechanical pulps, it’s the most fittable bleaching agent in pulps. 3. It is used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products, 4. It is used in mineral, the compound of thiourea and other sulphides. 5. It is used as reducing agent in chemical industry.