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Factory Supply Sodium Dithionite /Sodium Hydrosulfite 85/ sodium hydrosulphite 85%/88%/90%

FOB Price

Negotiable / Ton

22 Tons(Min.Order)

Supply Ability 5000 Ton / Tons per Month
Port TIANJIN
Payment Terms:T/T Credit Card

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Product Details

CAS No.:	7775-14-6	MF:	Na2S2O4	EINECS No.:	231-890-0
Purity:	85%min	Place of Origin:	Henan, China	Type:	Other, Reducing agent
Usage:	Coating Auxiliary Agents, Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Petroleum Additives, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents, Water Treatment Chemicals

Product Description

1. Specifications of Sodium Dithionite :

Item	90%	88%	85%	food grade
Na2S2 O4	≥ 90%	≥ 88%	≥ 85%	≥ 85%
(Fe)	≤ 20ppm	≤ 20ppm	≤ 20ppm	≤ 20ppm
(Zn)	≤ 1ppm	≤ 1ppm	≤ 1ppm	≤ 1ppm
Clarity	Clarify	Clarify	Clarify	Clarify
EDTA	-	-	-	Qualified
(As)	-	-	-	≤ 1ppm
Other heavy metals(pb)	-	-	-	≤ 1ppm
HCHO	-	-	-	≤ 0.05%
water insoluble matter	≤ 0.05%	≤ 0.05%	≤ 0.05%	-

2. Characteristics of Sodium Hydrosulphite :

1)Appearance white free-flowing crystal powder

2)Smell:flavourless or smell of sulfur dioxide

3. Uses of Sodium Hydrosulphite:

1) It is for vat dyes staining the reducing agent, reducing hair bleaching agents, vat dyes printing auxiliaries, silk scouring and bleaching agent, dyeing agents and objects of the peel color dye vat cleaning agent in the textile industry.
2,)It is used as a mechanical pulp, mechanical pulp mill hot and deinking pulp bleaching

agent in pulp and paper industry.
3It is used as sugar, candy, candied fruit, caramel, cookies, fans, etc. Bleach and food preservation agent in the food industry.
4) As a bleaching agent is widely used to restore the kaolin bleaching; Fur whitening bleaching and restore; Bamboo products and straw products such as bleach.
5,)It is used as a reducing agent in chemical industry.

4. Package of Sodium Hydrosulphite :

50kg/Iron Drum, 21.6MT/20'FCL

Contact Us

Zhengzhou Mahaco Commercial Co., Ltd.: Contact nameAnny Yang
Chat Now; Phone86-371-55805997; AddressNo. 2 7 ,New East Industrial Zone,Zhengzhou Zhengzhou,Henan

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Factory Supply Sodium Dithionite /Sodium Hydrosulfite 85/ sodium hydrosulphite 85%/88%/90%

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