15KG,25KG,50KG,100KG,200KG or 900KGnet in iron drums with double inner polybags.
2. It is also used in bleaching paper pulps, especially mechanical pulps ,it’s the most
fitable 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
6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative in dried fruits, dried vegetable, vermicelli ,glucose ,sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.