High Purity Quartz Sand 1-3 mm Industrial Grade for Foundry and Furnace Lining

High Purity Quartz Sand 1-3 mm Industrial Grade for Foundry and Furnace Lining. Versatile Applications: Ideal for semiconductor, optical instruments, PV crucibles, and high-temp furnace linings. Customizable Specs: Supports customization for purity, particle size, shape, and packaging per customer needs. Certified Quality: ISO9001, SGS, and BV certified with full-process inspection including XRF purity tests. Stable Chemical Props: Excellent acid and alkali corrosion resistance with low dissolution and etching resistance. Near-Spherical Particles: Uniform forming, low porosity, and stable particle size distribution for precision applications. Professional Manufacturer: Over 18 years of experience with complete quality management and green development practices.