... (2ZnO.3B2O33.5H2O)is the most common used grade. It has owned some excellent properties on non-toxicity, slight solubility ... flowing etc. As one high efficient flame retardant, it is widely used in plastic, rubber, coating etc fields. Applications:1. Zinc borate can ... in PVC, PE, Polyolefin, Epoxy Polyamide etc resins and rubber process. Moreover, it is widely used in textile, fiber, floor, leather, ...