... 90%, 95% Good quality, competitive price As a professional supplier of chitin,chitosan and their ramification located in china,we can ... >3.Special Molecular Weight ChitosanThis product is made of quality chitosan. Range of molecular weight:20,000-300,000 (300,000 ... excellent water solubility, bacteriostasis and antibacterial action as well as properties of chitosan. It can be widely used in health care ...