... can be widely used in industry of rubber, plastic, fibre, paint, ceramic, medicine,etc. ZINC BORATEMolecular formula: 2ZnO 3B2O3 3. ... can be widely used in industry of rubber, plastic, fibre, paint, ceramic, medicine. Also used in producing of insulating material & ... industry too. In a word, it is a ideal inorganic fire retardant with function of environment protection. Package: Each 25kgs or 1000kgs ...