... favourable price. Properties: It is extracted from chitin, insoluble in water but soluble in dilute acid and absorbed by human body ... film, paper manufacturing, biological engineering, agriculture protecting and dispose waste water etc, or widely used in health food and food additivesItemStandard ... E.Coli NegativeMold and yeast<100cfu/gParticle size80-120meshPacking25kg/drum Water Soluble Chitosan