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Heat Resistant Quartz Lamp Holder for Industrial Use - China Suppliers and Factory Direct Products
Technical Specifications
| Mechanical Behavior | Standard Values |
|---|---|
| Density | 2.2 g/cm³ |
| Compressive Strength | 1100 MPa |
| Flexural Strength | 67 MPa |
| Poisson's Ratio | 0.14 ~ 0.17 |
| Young's Modulus | 72,000 MPa |
| Modulus of Rigidity | 31,000 MPa |
| Mohs Hardness | 5.5 ~ 6.5 |
| Transformation Point | 1280 °C |
| Softening Point | 1780 °C |
| Annealing Point | 1250 °C |
| Specific Heat (20 ~ 350 °C) | 670 J/kg·°C |
| Thermal Conductivity (20 °C) | 1.4 W/m·°C |
| Index of Refraction | 1.4585 |
| Low Thermal Expansion Coefficient | 5.5 × 10⁻⁷ cm/cm·°C |
| Thermal Processing Temperature | 1750 ~ 2050 °C |
| Short-Term Use Temperature | 1300 °C |
| Long-Term Use Temperature | 1100 °C |
| Material | Silicon Dioxide (Natural Quartz) |
| Color | Transparent or Colorless |
| Surface | No Air Bubble, No Line |
| Strain | 1270°C Fused Quartz Glass Brick |
| PPM Grade | Controlled 10 / 20 / 100 PPM |
| Shape | Circle |
| Thickness | 2 mm – 20 mm |
Frequently Asked Questions
Q
What material is this quartz glass made from?
This quartz glass is made from Silicon Dioxide (Natural Quartz), offering a transparent or colorless appearance with no air bubbles or lines on the surface, ensuring high optical clarity and structural integrity.
Q
What is the maximum operating temperature for this quartz glass?
For short-term use, the maximum operating temperature is 1300 °C. For long-term continuous use, it is rated up to 1100 °C. The softening point is 1780 °C, making it suitable for high-temperature industrial applications.
Q
What thickness options are available for this quartz glass?
The quartz glass is available in thicknesses ranging from 2 mm to 20 mm, and it comes in a circular shape. This wide range of thickness options allows it to be adapted for various precision and industrial applications.
Q
What is the thermal expansion coefficient of this quartz glass?
The quartz glass has an extremely low thermal expansion coefficient of 5.5 × 10⁻⁷ cm/cm·°C. This very low value means the material experiences minimal dimensional change with temperature fluctuations, making it ideal for precision optical and thermal applications.
Q
What PPM purity grades are available?
The quartz glass is available in controlled purity grades of 10 PPM, 20 PPM, and 100 PPM. These controlled purity levels ensure the material meets the stringent requirements of semiconductor, optical, and high-tech manufacturing industries.
Q
What is the compressive strength and hardness of this quartz glass?
This quartz glass has a compressive strength of 1100 MPa and a Mohs hardness rating of 5.5 to 6.5, indicating excellent resistance to mechanical stress and surface scratching. Combined with a Young's Modulus of 72,000 MPa, it provides outstanding structural rigidity for demanding applications.