Properties: Innocuous, flavorless, white or off-white powder; freely soluble in water, the solution is clear and character is stable.
Application: The product is the higher ramification of chitosan, which have 100% water solubility, film forming ability, heavy metal chelation. It has been applied in advanced cosmetics, heavy metal chelating agent, drug sustained release agent, plant growth regulator agent , wastewater treatment, etc.
Quality Index:
Item |
Standard |
Appearance |
White or yellowish powder or flake |
Insoluble, % |
≤1.0 |
Loss on Drying,% |
≤15 |
Residue on ignition, % |
≤1.0 |
Viscosity (1%,20°C), mpa.s |
20-500 |
Degree of Substitution % |
≥80 |
pH |
7.0-9.0 |
Heavy Metal, ppm |
≤10 |
As, ppm |
≤0.5 |
Packing |
25kg/drum, 20kg/carton |
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