... 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 ... widely used in textile, fiber, floor, leather, wall paper, carpet, paint etc decorative materials to improve flame retardant performance.3. Base ...