FOB Price
Obtenir le dernier prix8000 ~ 1500 / Metric Ton ( Negotiable )
|Minimum Order
Localité:
China (mainland)
Prix de commande minimale:
Commande minimale:
20 Metric Ton
Packaging Detail:
50kg/100kg in iron drums with double inner polybags
Delivery Time:
15 days after your deposit
Supplying Ability:
500 Metric Ton per Month
Payment Type:
T/T, L/C
Personne àcontacter Ms. Lydia
baoshui, Tianjin, Tianjin
White free-flowing
crystal powder;
Widely used in textile industry, bleaching paper pulps, mineral
etc.
Specification:
|
INDEX |
*0% |
*8% |
*5% |
FOOD ADDITIVE |
|
Na2S2O4 |
≥*0% |
≥*8% |
≥*5% |
≥*5% |
|
Fe |
≤*0ppm |
≤*0ppm |
≤*0ppm |
≤*0ppm |
|
ZincZn |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Other heavy metal calculated as Pb |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Water Insolubles |
≤0.*5% |
≤0.*5% |
≤0.*5% |
≤0.*5% |
|
Shelf Life(month) |
*2 |
*2 |
*2 |
*2 |
Package:*0kg/**0kg in iron drums with double inner polybag
Usage:
1. Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
2. Also used in bleaching paper pulps , especially mechanical pulps, its 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.
