To bend a quartz tube, you must first heat it to a temperature near its softening point, which is 1270 degrees Celsius. However, it should not be used for more than three hours at 1200 degrees Celsius to prevent deformation. Here's a detailed explanation of the process:
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Preparation: Ensure the quartz tube is clean and free from any contaminants. Use rubber gloves to handle the tube to avoid introducing impurities from your hands.
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Heating: Place the quartz tube in a furnace or a similar heating device capable of reaching temperatures close to 1270 degrees Celsius. It's crucial to monitor the temperature closely to avoid exceeding the softening point for too long, which could lead to permanent deformation or damage to the tube.
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Bending: Once the quartz tube reaches the appropriate temperature and becomes soft, carefully bend it to the desired shape using appropriate tools. It's important to apply even pressure and avoid any sudden movements that could cause the tube to crack or break.
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Cooling: After bending, allow the quartz tube to cool slowly to room temperature. Rapid cooling can cause thermal shock, leading to cracks or other damage. Ensure the tube cools in a controlled environment to maintain its integrity and shape.
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Inspection: Once cooled, inspect the quartz tube for any cracks, deformations, or imperfections. If the bending process was successful and the tube is intact, it is ready for use.
Throughout this process, it's essential to handle the quartz tube with care due to its fragile nature. Proper handling and controlled heating and cooling are crucial to successfully bending a quartz tube without damaging it.
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