| Customization: | Available |
|---|---|
| CAS No.: | 7681-57-4 |
| Formula: | Na2s2o5 |
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| Tests | Specification |
| Appearance | White free-flowing Crystal Powder |
| Purity (Na2S2O5) | 97% min |
| Iron (Fe) | 0.003% min |
| Heavy Metal (Pb) | 5 ppm max |
| Arsenic (As) | 1 ppm max |
| Water Insoluble | 0.05% max |
| PH Value | 4.0-4.6 |
Henan Sinowin Chemical Co.,Ltd. is a large comprehensive enterprise, it is engaged in the R & D, production,sales trade for chemical industry. We have been in this line for almost 20 years. Our facilities are world advanced, like the Germany importedproduction line, Modern aseptic production workshop,fully automatic packing machine, stereos/copic warehouse and advanced lab. So quality goods, competitive price,prompt delivery, stable supply and good after- sales service can be guaranteed. Nowadays, our business scope has been extended to more than 50 types in 6 series,it is water treatment chemical, coating, solvent, detergent chemicals , PVC additives and Food additives). Sinowin Chemical materials has been popularly selling worldwidely and the sionwin brand has become a shining business card for our company.
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