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Fused quartz is made by melting high-purity quartz at extremely high temperatures. It has the characteristics of high SiO2 content, low thermal conductivity, high insulation, and stable chemical properties.
PH value: 5.8
Uses: Refractories, precision casting, semiconductor fillers, special coatings, ceramics, molds and other industries.
Specifications: 3-30MM 3-50MM
Composition: SiO2: 99.99% -99.90%; Fe2O3: 6ppM max; Li2O: 1.0ppM max; Al2O3: 30ppM-100ppM; K2O: 9ppM max; Na2O: 11 ppM max.