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Leading Manufacturer for Direct Fast Black Vsf - Calcium Hydrosulphite – LEADING

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Leading Manufacturer for Direct Fast Black Vsf - Calcium Hydrosulphite – LEADING Detail:

Sodium hydrosulphite 

General name: Sodium hydrosulphite

Molecular formula: Na2S2O4

Appearance:white free-flow crystal powders

Smell:flavourless or smell of sulfur dioxide

Packing:50kg net 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.
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. 

INDEX

90%

88%

85%

FOOD ADDITIVE

Na2S2O4

≥90%

≥88%

≥85%

≥85%

Fe

≤20ppm

≤20ppm

≤20ppm

≤20ppm

Zinc(Zn)

≤1ppm

≤1ppm

≤1ppm

≤1ppm

Other heavy metal

(calculated as Pb)

≤1ppm

≤1ppm

≤1ppm

≤1ppm

Water Insolubles

≤0.05%

≤0.05%

≤0.05%

≤0.05%

Shelf Life(month)

12

12

12

12


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Leading Manufacturer for Direct Fast Black Vsf - Calcium Hydrosulphite – LEADING detail pictures


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Our business has been focusing on brand strategy. Customers' pleasure is our best advertising. We also offer OEM company for Leading Manufacturer for Direct Fast Black Vsf - Calcium Hydrosulphite – LEADING , The product will supply to all over the world, such as: Iran, Madrid, Nepal, Customer's satisfaction is always our quest, creating value for customers is always our duty, a long term mutual-beneficial business relationship is what we are doing for. We are an absolutely reliable partner for yourself in China. Of course, other services, like consulting, can be offered too.
  • It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Lorraine from Singapore - 2016.08.21 14:13
    Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
    5 Stars By Victor from Ghana - 2016.08.16 13:39
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