Zinc borate 1.Inorganic addition flame retardan 2.Good hot stability 3.Used in rubber, plastic, cable, wood Flame retardant-Zinc Borate1.Basic Index Molecular formula2ZnO·3B2O3·3.5H2OMolecular weight435.4Appearancewhite powderMelting point980°C2.SpecificationItem/GradeZinc borate ( 2ZnO.3B2O3 3.5H2O)Excellent gradeFirst gradeWhiteness9995Surface water % ≤0.51.0Particle size, um3-53-5ZnO, %37.0-40 ...