
High-Purity 200f Fused Quartz Powder for Refractory Applications. 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. OEM/ODM Support: Custom manufacturing services available for specific client requirements. Versatile Applications: Ideal for ceramics, casting, and high-performance refractory materials. Stable Chemical Properties: Chemically stable with a pH value of 6 and high resistance to corrosion. Precise Particle Control: Circular particle shape with stable distribution and large packing density. Wide Size Range: Available in blocks, granules, and powders from 0-60mm to 3000 mesh.