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Discount wholesale Optical Brightener Manufacturers - Calcium Hydrosulphite – LEADING

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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


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Discount wholesale Optical Brightener Manufacturers - Calcium Hydrosulphite – LEADING detail pictures


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No matter new customer or old customer, We believe in long term and trusted relationship for Discount wholesale Optical Brightener Manufacturers - Calcium Hydrosulphite – LEADING , The product will supply to all over the world, such as: Hungary, Bolivia, Durban, To win customers' confidence, Best Source has set up a strong sales and after-sales team to provide the best product and service. Best Source abides by the idea of "Grow with customer" and philosophy of "Customer-oriented" to achieve cooperation of mutual trust and benefit. Best Source will always stand ready to cooperate with you. Let's grow together!
  • We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Megan from Eindhoven - 2016.07.07 13:00
    Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Lydia from Bahrain - 2016.12.09 14:01
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