Product Specifications
| Markets: |
South America,Southeast Asia,Africa,Mid East |
Product Description
Molecular formula: Na2S2O4
CAS NO.: 7775-14-6
Appearance: White free-flow crystal powders
Odor: Odorless or with a slight odor of sulfur dioxide
Specifications: HG2074-2004, JISK1476-1995, HG/T2682-1995
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.
Packing: 15kg, 25kg, 50kg or 100kg net in iron drums with double inner polybags.
|
. |
Technical Grade |
Food Grade |
|
90%Grade |
88%Grade |
85%Grade |
|
Na2S2O4 |
90% |
88% |
85% |
85% |
|
Iron(Fe) |
20ppm |
20ppm |
20ppm |
20ppm |
|
zinc(Zn) |
1ppm |
1ppm |
1ppm |
1ppm |
|
solution appearance |
clear |
clear |
clear |
clear |
|
EDTA |
/ |
/ |
/ |
qualified |
|
Arsenic(As) |
/ |
/ |
/ |
1ppm |
|
other heavy metal(as Pb) |
/ |
/ |
/ |
1ppm |
|
Formate |
/ |
/ |
/ |
0.05% |
|
water insolubles |
0.05% |
0.05% |
0.05% |
/ |
|
shelf life(months) |
12 |
12 |
12 |
12 |
Zhengzhou Detergent Chemical Co., Ltd (DCC) is the leading Supplier and Exporter for Detergent and Water Treatment and Cleaning (Sanitary and Disinfection) Industries in China. With the experienced staff who have been involving in the field of over one decade, We have established the strategic partner relationship with the main manufacturers in China.
With full range products supplied such as Sodium Tripolyphosphate 94% (STTP)\Linear Alkyl Benzene Sulfonic Acid 96% (LABSA) \
Sodium Carboxyl Methyl Cellulose (CMC-Na) \Cocofatty Acid Monoethanol Amide (CMEA) \Sodium P-Toluene Sulphonate (STS) \
Sodium Lauryl Sulfate (SLS) \Ethylene Diamine Tetraacetic Acid (EDTA) \Acetyl Ethylene Diamine 94% (TAED) \
Sodium Percarbonate (SPC) / Perborate (SPB)\Caustic Soda Flakes / Pearls / Solid \Calcium Hypochlorite (calcium & sodium process) 65%/70%\
Sodium Dichloroisocyanurate 60% (DCCNa/SDIC) \Trichloroisocyanuric acid 90% (TCCA) \Methylene Bis Thiocyanate 98% (MTC) \Potassium Monopersulfate\
Citric Acid\Hydrogen Peroxide 50% (H2O2) \etc.
We can serve our customers with One-Stop purchasing.
With "hardworking, innovation, integrity, harmony" as philosophy & "quality first, customer first" as principles, We welcome customers, old & new, at home or abroad, to call or visit us.
We sincerely seek cooperation with companies all over the world & strive for prosperity together. We will try our best to provide our clients with the most competitive products and services.
