... and crab shell 3. as food additive and raw material Chitosan Chemical Name: Poly-(1-4)-2-Amino-2-deoxy-ß-D ... food additive and raw material for pharmacy. It is white powder, non-harmful, odourless, non-pollutive, non-corrosive, non-burnable, non ... can pack: CD 7.0tonsHD 12.96tons SHD 16.0tons Chitosan (Food Grade Powder)