3.5 H2O zinc borate 2335, Zinc Borate 237 Anhydrous Zinc ... Size: 3um-7 um used in PVC, PE, Polyolefin, Epoxy 3.5 H2O Zinc BorateSpecification: Item/Grade Zinc borate 2335( 2ZnO.B2O3 ... carpet, paint etc decorative materials to improve flame retardant performance. 3. Base on its chemical properties, Zinc borate is also used ... on, no mix storage and transportation with acids is allowed. 3.5 H2O zinc borate