textile grade sodium alginate is an ideal thickener in reactive dye printing as it can not react with reactive dyes,as a water-soluble polymer,sodium alginate can be easily dissolved in water to form a viscous solution,in the printing and dyeing industry,sodium alginate has good washing out,high paste off rate,the film formed after printing on fabric has certain adhesion and flexibility,it does not react with dyes and other auxiliaries,the film formed after the film even after baking or bigh-temperature steam,it will be easily removed in the washing process,so that the hand feeling of the fabric is soft -