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Home > Chemicals > Inorganic Salt > Sulfate > 70% Sodium Hydrosulfite for Textile Bleaching

70% Sodium Hydrosulfite for Textile Bleaching

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US$ 1,420 - 1,460 MOQ: 5 Metric Tons

Key Specifications

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Type:

Sodium Hydrosulfite

CAS No.:

7775-14-6, 7631-94-9

Other Names:

sodium dithionite/sodium hyposulfite/Sodium hydrosulphite

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Zhengzhou Macro Imp. & Exp. Co., Ltd.

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Port of Shipment:

Qingdao/Xingang

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Type Sodium Hydrosulfite

CAS No. 7775-14-6, 7631-94-9

Other Names sodium dithionite/sodium hyposulfite/Sodium hydrosulphite

MF Na2S2O4

EINECS No. 231-890-0

Place of Origin Henan, China

Grade Standard Food Grade, Industrial Grade, Medicine Grade

Purity 90%,88%,85%

Appearance white free-flowing crystal powder

Application bleaching agent,textile industry,bleaching paper pulps,etc

Brand Name HR

Model Number 85%88%90%Sodium hydrosulfite

70% Sodium Hydrosulfite for textile bleaching

Product Description

Specification:

INDEX	90%	88%	85%	FOOD ADDITIVE
Na2S2O4	≥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

Usage:
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.