Quartz glass, particularly transparent quartz tubes, can handle temperatures from room temperature up to about 1100 degrees Celsius.
This impressive temperature range is thanks to its low coefficient of thermal expansion and excellent resistance to thermal shock.
4 Key Facts About the Temperature Range of Quartz Glass
1. High-Temperature Tolerance
Transparent quartz tubes can endure temperatures as high as 1100 degrees Celsius.
This makes them ideal for applications that need high-temperature stability, like furnaces or high-temperature processes.
2. Resistance to Thermal Shock
Quartz tubes are famous for their ability to handle rapid temperature changes.
For example, they can go from 1000 degrees Celsius to room temperature without issues.
This is vital in applications where sudden temperature changes are frequent, ensuring the quartz tubes stay intact and functional.
3. Softening Point and Usage Guidelines
The softening point of quartz tubes is 1270 degrees Celsius.
However, when using them at 1200 degrees Celsius, it’s recommended not to exceed 3 hours of continuous use.
This prevents any potential damage or degradation of the material.
4. Impact on Thermocouples
Over time, quartz can affect thermocouples, leading to inaccurate temperature readings.
This can mean actual firing temperatures are up to 100 degrees Celsius higher than programmed.
This is a critical factor for precise temperature control in industrial processes.
Temperature Control in Industrial Processes
The consistency and accuracy of temperature control from room temperature to 900 degrees Celsius, and the rate of cooling back from peak temperatures, are crucial.
This ensures the integrity of materials processed in quartz tubes.
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