22 Jan Quartz ingot and cylinder
Posted at 13:49h
in Quartz
We produce quartz ingots and cylinders by high purity silica and or quartz powder. These products are used as basic material in semiconductor, optical, fiber optical, metallurgy and many other industries.
Quartz ingot outer diametr possible till 500mm and quartz cylinder outer diameter possible from 200m to 500mm, inner diameter can be drilled according to customer’s request.
Chemical content
| Type | Al | B | Ca | Cu | Fe | K | Li | Mg | Mn | Na | Ni | Cd | Cr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HQ-8 | 21 | <0.2 | 1.88 | 0.05 | 0.94 | 0.40 | 1.66 | 0.29 | 0.05 | 2.06 | 0.07 | <0.01 | <0.05 |
Unit:ppm
Quartz ingot and cylinders Physical properties
| Properties | Content |
|---|---|
| Density | 2.2X10³Kg/m³ |
| Hardness | 550KHN100 |
| Tensile strength | 4.7X10⁷Pa(N/m) |
| Compression strength | >1.1X10⁹pa |
| Coefficient of thermal expansion (20°C-300°C) | 5.5X10⁻⁷cm/cm°C |
| Thermal conductivity (20°C) | 1.4W/M°C |
| Specific heat (20°C) | 660J/Kg°C |
| Intenerating point | 1680°C |
| Annealing point | 1150°C |
| Remarks | Thermal stability: heated to 800°C-1000°C then put into water at 20°C repeately, no cracks. |