Fused Silica is the selection of high-purity quartz at very hightemperatures from melting, with a high silica content, and lowthermal conductivity. High insulation characteristics, chemicalstability.????????????

Grade A: SiO2: 99.9%min
Grade B: SiO2: 99.8%min

Particle size:
A: 5-50mm, 0-0.5mm, 0.5-0.2mm, 0.2-0.1mm, 0.5-1mm
B: -4 10mesh, -10 20mesh, -20 50mesh, -30 50mesh, -50 100mesh,-120F, -200F, -325F, -400F, -600F
Or in accordance with customer''s request.

PH??????5.8
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Specs??????0.1-5MM
Component??????SiO2: 99.99%-99.90%;Fe2O3: 7ppM max
Li2O: 1.0 ppM max; Al2O3: 30ppM-100ppM; K2O:9 ppM max;
Na2O: 11ppM max;

Uses : Refractories, Precision Casting, semiconductor packing,special coatings, ceramics, molds, and other industries.