... human body. As the first derivate, it's chemical constitution is macromolecule alkalescent polysaccharide polymer with cation ... : textile , dyeing and printing, leather, tobacco, plastics, food additive, fodder, pharmaceutics, color film, paper manufacturing, biological ... waste water etc, or widely used in health food and food additivesItemStandard Appreance 0ff-white powder Deacetylation degree >85 ...