... Size D50:3-5 micron Zinc Borate For PVC Wall Paper Molecular formula: 2ZnO·3B2O3·3. ... gravity, great free-flowing etc. As one high efficient flame retardant, it is widely used in ... widely used in textile, fiber, floor, leather, wall paper, carpet, paint etc decorative materials to improve ... on anti-corrosion, infra red absorption, fungicide for wood preservation etc fields.PACKAGE, TRANSPORTATION AND ...