USE: 1 ZPT-50 is 50%water suspension of Zinc Pyrithione.It is an effective antimicrobial to fungi and bacteria,which can effectively kill the fungi that xanse the dandruff.It is used as antidandruff agent for a long time and widely used in various famous shampoo. 2 ZPT-50 with fine particle size can effectively prevent the precipitation and double antimicrobial effect. 3 ZPT is also widely used as antimicrobial in costing and paper pulp.