Edible Casein is produced from nature yak milk by new bio-technology, it is a kind of food additive with rich protein and high nutrition, It is widely used in various health foods and beverage. Also in pet feed, nature label glue, inner ware, medicine latex,insulated material,innoconous scour etc.Character: It is no crystallization and moisture absorption.The solubility is 0.8-1.2% in nomal temperature water.Dissolving easier in watery soda and concentrated add;dissolving minutely in organic solvent and 25℃ water sucking water expands instantly while putting into water,without particles combined.