40-70 Mesh Fused Silica Sand for Refractory Materials/Fine Casting/Advanced Ceramics

40-70 Mesh Fused Silica Sand for Refractory Materials/Fine Casting/Advanced Ceramics. High Purity SiO2: SiO2 content exceeds 99.95% with minimal impurities like Al2O3 and Fe2O3. Near Zero Thermal Expansion: Features extremely low thermal conductivity and excellent thermal stability. ISO Certified Quality: Manufactured under ISO certification standards for consistent quality assurance. OEM/ODM Support: Customization services available for specific client requirements and branding. Wide Mesh Range: Available in various forms: blocks, granules, and powders from 0-60mm to 3000 mesh. Stable Chemical Properties: Resistant to chemical degradation, ensuring durability in harsh environments. Circular Particle Shape: Special mechanical processing ensures close-to-circular particles for high packing density. Fast Lead Time: Average lead time within 15 workdays for both peak and off-season orders.