... borate 3.Particle Size:3-5 micron Zinc Borate For Fire Retardant Coating Molecular formula: 2ZnO·3B2O3·3.5H2OMolecular weight: 434. ... flame retardant, it is widely used in plastic, rubber, coating etc fields.APPLICATION1. Zinc borate can be used as multi ... is also used on anti-corrosion, infra red absorption, fungicide for wood preservation etc fields.PACKAGE, TRANSPORTATION AND STORAGE:Package: ...