High Density Chitosan Bulk Density>0.6g/ml, 0.8g/ml Deacetylated Degree> 90%, ... . Decomposed at 185°C.2.High-Density Chitosan The density of high-density chitosan is twice or three times as high ... product is made of quality chitosan. Range of molecular weight:20,000-300,000 (300,000, 250,000, 200,000, ... 150,000, 100,000, 50,000 20,000. Unit of molecular weight is ten thousand). It is ...