Materials:silicaApplications:for silicon oven casting ingotMaterial:Fused SilicaPurity:99.8%Cut compression:25MpaPress compression:102MpaRoughness:1.6umExpansion coefficient:0.6*10-6 degreeTolerance:+-0.05mmRadial beat:0.15mmDensity:1.95g cm3Porosity:10%