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| Model NO. | 0-1,1-3,3-5,5-8mm,4-8,8-22,20-40,40-60,325mesh |
| Type | Fused Silica |
| SiO2 Content | ≥99.95% Min |
| Temperature Resistance | Maximum Operating Temperature Is 1800℃ |
| Mohs Hardness | 7 |
| Color | White or Transparent |
| MOQ | 1 Ton |
| Certificate | ISO9001 BV SGS National Patent |
| Bulk Density | 2.2 G/M3 |
| HS Code | 2506100000 |
99.95% ultra pure fused silica sand is the core raw material for refractory material production, processed by high-temperature calcination and crushing. It features excellent high temperature resistance and low thermal expansion coefficient, making it ideal for manufacturing refractory bricks, monolithic refractory, and industrial furnace linings. With stable physical and chemical properties, it ensures no cracking or deformation under extreme conditions.
Through refined mechanical processing, precision screening, and deep iron removal, this material is available in block, granular, and powder forms.
| Shape | Specification | Units | Remarks |
|---|---|---|---|
| Block | 0-60 | mm | Customizable cutting available |
| Granular | 8-5, 5-3, 3-1, 1-0 mm; 20-200 mesh | mm/mesh | Multi-stage screening for uniformity |
| Powder | 70-3000 mesh | mesh | Deep iron removal for high purity |
| Core Properties | Key Advantages | Typical Scenarios |
|---|---|---|
| Near-zero thermal expansion | Dimensional stability, thermal shock resistance | Semiconductor wafer growth, optical telescope lenses, aerospace engine nozzles |
| High thermal stability | Resistant to ≥1500℃ | Photovoltaic ingot furnaces, high-temp thermocouple protection tubes |
| High purity (SiO2≥99.95%) | Low metal contamination | Semiconductor lithography, optical fiber preforms, high-purity reagent vessels |
Double-layer sealed PE bag + moisture-proof woven bag. 25kg/50kg. 1kg/5kg vacuum packages available.
Wear-resistant FIBC + PE inner liner with four-way lifting rings. 500kg/1000kg loading capacity.
Pearl cotton wrap + shockproof carton + pallet reinforcement with fragile labels.
Specialized in fire-resistant and wear-resistant materials since 2018. Holding multiple technical patents including automatic sorting for large-grain quartz powder and low-hydroxyl quartz powder production mechanisms.
Deeply engaged in fused quartz development with standardized management and strict quality control. Awarded National AAA-Level Trustworthy Enterprise status.
Driven by core R&D with numerous self-developed patents. National intellectual property certification ensures high stability and process optimization.
