FOB Price
Obtenir le dernier prix850 ~ 1100 / Ton ( Negotiable )
|Minimum Order
Localité:
-
Prix de commande minimale:
Commande minimale:
20 Ton
Packaging Detail:
15kg, 25kg, 50kg or 100kg net in iron drums with double inner polybags
Delivery Time:
25 working days
Supplying Ability:
1000 Ton per Month
Payment Type:
T/T, L/C, Western Union, PayPal
Personne àcontacter Ms. elaine
Xiangjiang road, Shijiazhuang, Hebei
sodium hydrosulphite /sodium hydrosulphite *5% *8% *0%
Molecular formula: Na2S2O4
Appearance: white free-flow
crystal powders
Packing: *5kg, *5kg, *0kg or **0kg net in 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, its the most fitable 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 in dried fruits, dried
vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy,
liquid glucose, bamboo shoots, mushrooms and canned
mushrooms.
Product specifications:
|
INDEX |
*0% |
*8% |
*5% |
FOOD ADDITIVE |
|
Na2S2O4 |
≥*0% |
≥*8% |
≥*5% |
≥*5% |
|
Fe |
≤*0ppm |
≤*0ppm |
≤*0ppm |
≤*0ppm |
|
Zinc(Zn) |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Other heavy metal |
≤1ppm |
≤1ppm |
≤1ppm |
≤1ppm |
|
Water Insolubles |
≤0.*5% |
≤0.*5% |
≤0.*5% |
≤0.*5% |
|
Shelf Life(month) |
*2 |
*2 |
*2 |
*2 |
