Quality standard: HG2074-2004, JISK1476-1995, HG/T2682-1995
Cas no.: 7775-14-6
Appearance: White free-flow crystal powders
Packing: 15kg, 25kg, 50kg or 100kg net in iron drums with double inner polybags.
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.
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, bamboo shoots, mushrooms and canned mushrooms.
Na2S2O4: ≥ 90%
Fe: ≤ 20ppm
Zinc(Zn): ≤ 1ppm
Other heavy metal
(calculated as Pb): ≤ 1ppm
Water Insolubles: ≤ 0.05%
Shelf Life(month): 12
also we have Sodium hydrosulphite 88% 85% min 90% min
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Contact Name: Denise Feng
Company Name: Shijiazhuang Tilin Technology Co., Ltd
Street Address: No.9 Zhaiying South
Street, Shijiazhuang, Hebei, China
Member name: fenglinana
Member Since: 21 May 2010
Total Leads: 293 fenglinana Import Export Business Leads
Business focus: Sles, Labsa, Phthalic Anhydride, Maleic Anhydride, Mgo,mgcl, Formic Acid, Aluminium Hydroxide
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