... . There are some formulations of XZnO.YB2O3.ZH2O, in which Zinc Borate anhydrous is called ZB-23 (2ZnO.3B2O3). ZB700 is stable ... , such as polyetherketone, polysulfone, fluoropolymer, polyester and nylon etc. Package:Zinc borate should be stored with very good seal, and transported ... /bag,and can design package according to order. Fire retardant -Zinc Borate anhydrous