High sales high purity clear quartz tube fused silica tube for sale
Quartz glass tube is made of a special industrial technology glass, silica is a kind of very good base material. Quartz glass has a series of excellent physical and chemical properties.
The characteristics of quartz tube:
- high temperature resistance
- corrosion resistance
- good light transmittance performance
- good electric insulation performance
Chemical Composition
Al | Fe | K | Na | Li | Ca | Mg | Cu | Mn | Cr | B | Ti |
5-12 | 0.19-1.5 | 0.71-1.6 | 0.12-1.76 | 0.38-0.76 | 0.17-1.23 | 0.05-0.5 | 0.05 | 0.05 | <0.05 | <0.1 | <1.0 |
(Different usage of tubes with different sand)
Characteristics Characteristics
Mechanical Property | Reference Value |
Density | 2.2g/cm3 |
Deformation Point | 1280°C |
Softening Point | 1780°C |
Annealing Point | 1250°C |
Specific Heat(20~350°C) | 670J/kg.°C |
Thermal Conductivity(20°C) | 1.4W/m.°C |
Refractive Index | 1.4585 |
Coefficient of thermal expansion | 5.5×10-7cm/cm.°C |
Hot work temperature | 1750~2050°C |
The temperature for a short time | 1300°C |
The temperature for a long time | 1100°C |