Industrial Grade Chitosan

Character: The appearance is grayish-white, non-toxic, tasteless, amorphous, translucent, pearlescent flake or powdery solid; decomposed at 185°c. Insoluble in water and alkali solution, soluble in dilute hydrochloric acid, nitric acid and other inorganic acids, as well as most organic acids. Product application: 1. in the field of papermaking, cationic chitosan is widely used in various papermaking auxiliaries with the following excellent characteristics : (1) linear water-soluble polymer with large relative molecular weight, strong film-forming ability and sufficient adhesion strength to the fiber ; (2) good compatibility with cellulose without destroying the hydrogen bond between cellulose molecules ; (3) functional groups can fully contact the paper fiber and can firmly bind it through ionic bonds or hydrogen bonds; and (4) nontoxic, biodegradable natural products. 2. in the field of tobacco, chitosan is a good performance of tobacco thin film glue, and has the characteristics of improving taste, burning non-toxic and no odour. 3. in the field of environmental protection: for sewage treatment, protein recovery, water purification and so on. 4. in the field of functional materials: for membrane materials, carriers, adsorbents, fibers, medical materials, etc. 5. in the field of textile: used for fabric finishing, health care underwear, papermaking aids and so on. 6. in agriculture: for bio-organic fertilizer, seed treatment, soil improvement, feed addition, etc. Test Items Specifications Colour and lustre White or yellowish Taste and smell Allow a small amount of inherent odor Viscosity 20-500 Character Powder Moisture ≤12.0 % Ash Content ≤2.0% pH value 6.5-8.5 DAC ≥85 % As ≤1.0 mg/kg Pb ≤10.0 mg/kg