... : 2ZnO·3B2O3·3.5H2OMolecular weight: 434.5SPECIFICATIONS: ItemSpecificationsAppearanceWhite powderSurface water ≤ (%)1.0ZnO (%)37-40B2O3 (%)45.0-48.0Loss ... some excellent properties on non-toxicity, slight solubility in water, good thermal stability, fine particle size, low specific ... is widely used in textile, fiber, floor, leather, wall paper, carpet, paint etc decorative materials to improve flame ...