Tianjin Tiger International Trade Co., Ltd.

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Sodium hydrosulphite

Product Details:

Purity	88%min
Place of Origin	Shandong, China

Payment & Shipping Terms:

Minimum Order Quantity:	20 Metric Ton
Packaging Details:	15kg, 25kg ,50kg or 100kg net in iron drums with double inner polybags.
Payment Terms:	L/C,T/T
Supply Ability:	1500 Metric Ton per Month

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Detailed Product Description

quality standardHG2074-2004, JISK1476-1995, HG/T2682-1995
Molecular formulaNa₂S₂O₄

Appearancewhite free-flow crystal powders
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, its 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.
6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose,

ITEM	90%	88%	85%	FOOD ADDITIVE
Na₂S₂O₄	91.00%	89.50%	86.60%	86.96%
Na₂S₂O₅	6.39%	6.64%	6.82%	6.54%
Na₂CO₃	1.10%	2.50%	5.70%	5.58%
Na₂S₂O₃	0.18%	0.20%	0.41%	0.38%
Na₂SO₃	0.22%	0.21%	0.32%	0.36%
Fe	14ppm	15ppm	16ppm	11ppm
Water Insolubles	0.05%	0.04%	0.04%	0.01%