Discount wholesale Optical Brightener Manufacturers - Calcium Hydrosulphite – LEADING
Discount wholesale Optical Brightener Manufacturers - 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 |
Product detail pictures:
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Students of history | Direct Bordeaux Fba
With responsible good quality method, good status and excellent client services, the series of solutions produced by our company are exported to lots of countries and regions for Discount wholesale Optical Brightener Manufacturers - Calcium Hydrosulphite – LEADING , The product will supply to all over the world, such as: Serbia, Lebanon, Lebanon, With top quality products, great after-sales service and warranty policy, we win trust from many overseas partner, many good feedbacks witnessed our factory's growth. With full confidence and strength, welcome customers to contact and visit us for future relationship.
By Antonia from Munich - 2016.10.27 12:12
We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
By Hilary from Johor - 2015.06.09 12:42
