Fused Silica is the selection of high-purity quartz at very high temperatures from melting, with a high silica content, and low thermal conductivity. High insulation characteristics, chemical stability.
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
Specs：0.1-5MM
Component：SiO2: 99.99%-99.90%; Fe2O3: 7ppM max
Li2O: 1.0 ppM max; Al2O3: 30 ppM-100ppM; K2O:9 ppM max;
Na2O: 11ppM max;
Uses : Refractories, Precision Casting, semiconductor packing, special coatings, ceramics, molds, and other industries.
Chemical composition
Physical
Water extract
SiO2(%) 99.9
Combustion (%) 0.15
PH 7
Al2O3(%) 0.2 Density 2.2 Cl -（ppm） 1
Fe2O3(%) 0.008 Moshi hardness 6 Na+（ppm） 1
Ti2O(%) 0.01 EC/cm 5
