Sodium Hydrosulfite/Sodium Dithionite Food Grade

China Sodium Hydrosulfite/Sodium Dithionite Food Grade, Find details about China Sodium Dithionite Hydrate, Sodium Hydrosulphite from Sodium Hydrosulfite/Sodium Dithionite Food Grade

Model NO.
90%88%85%
Purity
88% 90% 85%
Trademark
xlw
Specification
SGS CIQ CCIC
Origin
China
HS Code
28311010
Model NO.
90%88%85%
Purity
88% 90% 85%
Trademark
xlw
Specification
SGS CIQ CCIC
Origin
China
HS Code
28311010
Sodium Hydrosulphite is widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping etc.

Sodium hydrosulfite 85% 88% 90% good price
1. CAS No: 7775-14-6
2. White crystalline powder
3. Packing: 50kgs iron drum

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
 

Na 2 S 2 O 4
 

≥90%
 

≥88%
 

≥85%
 

≥85%
 

Fe
 

≤20ppm
 

≤20ppm
 

≤20ppm
 

≤20ppm
 

ZincZn
 

≤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