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| SiO2 | Fe2O3 | Size |
| ≥99.9-99.98% | ≤0.002% | 10-1mm, 1-0.5mm, 0.5-0.2mm, 0.2-0.1mm |
Appearance: The first grade products is transparent, some is fogged. It can be processed into sand and powder as request.
Main use: It is used in high-grade refractory materials and electrical industry.
Melting Quartz