FOB Price
Obtenir le dernier prix( Negotiable )
|Minimum Order
Localité:
China
Prix de commande minimale:
-
Commande minimale:
2 Ton
Packaging Detail:
25/50kg drums with cross bow-lid
Delivery Time:
7-35 days after receipt of prepayment
Supplying Ability:
1000 Ton per Day
Payment Type:
L/C, T/T
Personne àcontacter Mr. YINFENG
520Room 26#office building west three huan road baodi districts, baodi, Tianjin
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
(calculated
as Pb)
|
≤1ppm
|
≤1ppm
|
≤1ppm
|
≤1ppm
|
|
Water
Insolubles
|
≤0.*5%
|
≤0.*5%
|
≤0.*5%
|
≤0.*5%
|
|
Shelf
Life(month)
|
*2
|
*2
|
*2
|
*2
|
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
