| Color | White |
Fused Silica Rollers For Glass Tempering Furnace
Fused silica rollers for horizontal glass tempering furnaces are key components of glass horizontal tempering furnaces for glass support and transportation. The fused silica rolls have exnt features such as high density and strength, no deformation at high temperature, wear resistant, exnt thermal shock resistance, long service life etc. Smooth and fine surface, little T.I.R. and high processing precision assures no harm to the glass surface.
 Technical Specification of Fused Silica Roller
| è§„æ ¼é¡¹ç›® Spec. | å•ä½ Unit | æŒ‡æ ‡ Content |
| 二氧化硅å«é‡ SiO2 | Wt% | ≥99.5% |
| 体积密度 Bulk Density | g/cm3 | 1.90-1.99 |
| 显气å”率 Apparent Porosity | % | 7--11 |
| 抗压强度 Compressive Strength | MPa | ≥60 |
| 抗弯强度 Bending Strength | MPa | ≥25 |
| 高温抗弯强度 High Temperature Bending Strength          | MPa | ≥30 |
| çƒè†¨èƒ€ç³»æ•° Thermal Expansion | ×10-6/ºC | ≤0.6 |
| çƒä¼ 导率 Thermal Conductivity | w/m. ºC | 0.65 |
| 方石英 Cristobalite | % | ≤2 |
| 表é¢ç²—糙度 Surface Roughness | u m | Ra≤2.0 |
| 直径公差 Diameter Tolerance | mm | ±0.05 |
| 径å‘跳动  Circular Runout （T.I.R.） | mm | ≤0.15 |
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