Zinc Borate ZB-2335 Zinc borate ZB-2335 800 Zinc oxide ZnO, %: 37.0-40.0 Boric anhydride B2O3, %: 45.0-48.0 zinc ... crystal water, oC >320Refractive index1.58Application:1. Zinc borate as antimony oxide or other halogen flame retardant additives, multi-function ... to paper, fiber fabric, decorative, DeBanGe, wallpaper, carpet, ceramics glost, fungicide, coating production, in order to improve the flame ...