1.Sodium Hydrosulphite 85%,88%&90% 2.White Free-flow Crystal Powder 3.CIQ,SGS inspection before shipment 4.wonderful bleach
We are the largest manufacturer of Sodium Hydrosulphite in China. Our goods sale well all over the world. We can assure you the following:
1.Sodium Hydrosulphite 85%,88%&90%
2.White Free-flow Crystal Powder
3.CIQ,SGS inspection before shipment
4.wonderful bleach
Product :Sodium Hydrosulphite /Sodium Dithionite/Sodium Hydrosulfite
Appearance: White Free-flow Crystal Powder
Specifications:
Items | Index | |||
Tech Grade | Food Grade | |||
Na2S2O4, % ≥ | 85 | 88 | 90 | 85 |
Fe, ppm ≤ | 20 | 20 | 20 | --- |
Zn, ppm ≤ | 1 | 1 | 1 | 1 |
As, ppm ≤ | --- | --- | --- | 1 |
Heavy Metal(as Pb), ppm ≤ | --- | --- | --- | 1 |
Water Insolubles, % ≤ | 0.4 | 0.4 | 0.05 | 0.05 |
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.
Package: 50kg iron drums with double inner polybags.
Welcome to contact us for detailed offer.
Textile Industry 88% Sodium Dithionite
