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sodium hydrosuiphite as bleaching agent

    Payment Type: L/C,T/T,D/P,Paypal,Money Gram
    Incoterm: CIF
    Min. Order: 21.6 Ton
    Delivery Time: 10 Days

Basic Info

Model No.: sodium hydrosulphite 018

Type: Sodium Sulfate

Appearance: Powder

Grade Standard: Industrial Grade, Food Grade Industrial Grade

Brand: BOSSORY

MF: Na2S2O4

Application: Reducing Dyeing

Purity: 85% 88%

EINECS: 231-890-0

Model Number: 85%

Additional Info

Packaging:  15kg, 25kg, 50kg or 100kg net in iron drums with double inner polybags

Brand: BOSSORY

Transportation: Ocean,Land

Place of Origin: China

Supply Ability: 10000 ton per month

Certificate: ISO

HS Code: 28311010

Port: Qingdao

Product Description

Product specifications:

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

Analysis report:

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%

Sodium Hydrosulphite /sodium hydrosulphite 85% 88% 90%

Molecular formula: Na2S2O4


Appearance: white free-flow crystal powders


Packing: 15kg, 25kg, 50kg or 100kg net in 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 fitable 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 in dried fruits, dried vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.

Sodium Hydrosulphite 003Sodium Hydrosulphite 004


Looking for ideal Which As the Preservative Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Which Use in Bleaching Kaolin Clay are quality guaranteed. We are China Origin Factory of Fur Bleaching and Reductive Application. If you have any question, please feel free to contact us.

Product Categories : Basic Chemicals > Sodium Hydrosulphite

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  • sodium hydrosuiphite as bleaching agent
  • sodium hydrosuiphite as bleaching agent
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