Henan Robillion Imp.& Exp Co.,Ltd

Henan Robillion Imp.& Exp Co.,Ltd

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Sodium Hydrosulfite

SODIUM HYDROSULFITE
CAS NO: 7775-14-6
Formula: Na2S2O4
HS CODE: 283110
Package: 50kgs drum

Appearance: White arenoid crystalline or light yellow powder

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.

Lithopone is a pigment for paint, ink and cosmetics, paper, leather as well as in a large range of applications in plastic industry.

Specification
Item 
90%
88%
Na2S2O4, %
≥ 90
≥88
Fe, % ppm
≤ 20
≤ 20
zinc (Zn), ppm
≤ 1
≤ 1

Other heavy metal
(calculated as Pb), ppm

≤ 1
≤ 1
Water soluble, % 
≤ 0.05
≤0.05
Shelf life (month)
12
12






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