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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Sep-17-2025 | 0.30 $* | 0.76 $* |
Aug-17-2025 | 0.76 $* | 0.54 $* |
Jul-17-2025 | 0.19 $* | 0.29 $* |
Jun-17-2025 | 0.74 $* | 0.77 $* |
May-17-2025 | 0.60 $* | 0.18 $* |
Apr-17-2025 | 0.73 $* | 0.36 $* |
Mar-17-2025 | 0.16 $* | 0.38 $* |
Feb-17-2025 | 0.35 $* | 0.19 $* |
Jan-17-2025 | 0.20 $* | 0.84 $* |
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Chitosan Chitosan, a type of polysaccharide, is the production of deacetylated chitin from the shells of snow crab, which is also called chionoecetes opilio. Chitosan is odorless, tasteless off-white powder, slightly soluble in wate, hardly soluble in ethanol. The solubility of chitosan is determined by its degree of deacetylation, viscosity, and molecular weight. Higher degree of deacetylation, smaller molecular weight and less viscosity will lead to better solubility.
Grade | Deacetylation Degree | Molecular Weight | Viscosity |
1.Industrial Grade | 80% | 20,000 to 3,000,000 | 20cps to 3000cps |
2.Agricultural Grade | 80% | 20,000 to 3,000,000 | 20cps to 3000cps |
3.Food Grade | 85% to 90% | 20,000 to 200,000 | 20cps to 200cps |
4.Cosmetics Grade | 85% | 50,000 to 100,000 | 50cps to 100cps (Water Soluble or Non Water Soluble) |
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