... on 3. Purity: >85%, 90%, 95% Product Name: High Density ChitosanDD: ≥85%, 90%, 95%Widely used in Medicine, food and ... to health food. StandardProduct ItemsHight-density Chitosan HDSuper Hight-density Chitosan HDAppearanceOff-white powderOff-white powderBulk Density>0.6g/ml>0.85g ... , China. Now it is the leading researcher and one of the biggest manufacturer in plant extract, animal extracts, and ...