Product Main

Specifications

Specification: industry grade HG/T 2074-1991 JIS K 1476-1995
food grade GB 2682-1995
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%

-

Uses:
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.
3, It 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.
6, Packing: Barrels sealed packaging, polyethylene film bag lined with double-layer 15KG/20KG/25KG/50KG/100KG/200KG