High Purity 99.95% Sio2 Fused Quartz Powder for Casting

High Purity 99.95% Sio2 Fused Quartz Powder for Casting. High Purity SiO2: SiO2 content exceeds 99.95% with minimal impurities like Al2O3 and Fe2O3. Near Zero Thermal Expansion: Coefficient of thermal expansion is 0.1, ensuring extreme thermal stability. Stable Chemical Properties: Resistant to chemical corrosion with a pH value of 6 and stable composition. Optimized Particle Shape: Special machinery production creates circular particles with large packing density. Diverse Size Specifications: Available in blocks, granules, and powders ranging from 0-60mm to 3000 mesh. ISO Certified Quality: Product meets ISO certification standards for high purity fused silica. OEM and ODM Services: Customization services available for specific manufacturing requirements.