离岸价格
获取最新报价600 ~ 650 / Metric Ton ( Negotiable )
|Minimum Order
位置:
TIANJIN
最小订单价格:
最小订单:
21 Metric Ton
包装细节:
50KG IRON DRUM
交货时间:
within 14days after received advanced payment
供应能力:
3000 Metric Ton per Month
付款方式:
Western Union, L/C, T/T
联系人 Ms. bella
Haihe industry, Tianjin, Tianjin
Product:Sodium Hydrosulphite /Sodium Dithionite/Sodium Hydrosulfite
Appearance: White Free-flow Crystal Powder
Useage: widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping etc.
Specifications:
|
Items |
Index |
|||
|
Tech Grade |
Food Grade |
|||
|
Na2S2O4, % ≥ |
*5 |
*8 |
*0 |
*5 |
|
Fe, ppm ≤ |
*0 |
*0 |
*0 |
**- |
|
Zn, ppm ≤ |
1 |
1 |
1 |
1 |
|
As, ppm ≤ |
**- |
**- |
**- |
1 |
|
Heavy Metal(as Pb), ppm ≤ |
**- |
**- |
**- |
1 |
|
Water Insolubles, % ≤ |
0.4 |
0.4 |
0.*5 |
0.*5 |
Package: *0kg iron drums with double inner polybags.
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.
