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With a chemical composition of SiO₂ ≥ 99.8% (grains) and SiO₂ ≥ 99.7% (powders), and impurities such as Al₂O₃ below 500 ppm, Fe₂O₃ below 300 ppm, Na₂O & K₂O below 100 ppm respectively, our fused silica stands out in terms of purity and consistency.
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Key physical properties include a true specific gravity of ~2.21, Mohs hardness ~7.0, excellent thermal shock resistance, and uniform particle‐size distribution.
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Main applications:
Raw material for quartz crucibles — enabling superior thermal insulation in crystal growth or semiconductor processes.
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Casting material for high‐precision metal casting or investment casting, where dimensional stability and purity matter.
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Raw material for refractories, ceramics and glass industries — where high purity fused silica reduces impurity-related defects and enhances end‐product performance.
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At Ze Xi Mineral, we offer fused silica in multiple particle‐size specifications (from lumps to fine powders) — e.g., 0-100 mm, 5-50 mm, 1-0.5 mm, -50 +100 mesh, -200 F, -600 F etc. — and package in 1200 kg or 1250 kg jumbo bags on pallets for ease of transport and handling.
zeximineral.com
By choosing our fused silica, customers gain access to a product that ensures superior thermal insulation, reduces contamination risk in sensitive processes, and supports high-quality manufacturing in ceramics, refractories and precision casting. If you’re seeking a reliable high-purity fused silica supplier with flexible size specifications and strong process control, Ze Xi Mineral is ready to partner with you.
Learn more about our fused silica product » [Insert link to product page: https://www.zeximineral.com/fusedsilica.html
