Selection of Quartz Tubes
Quartz tube is used for closed tube diffusion, because the quartz tube can withstand high temperatures of about 1250 ° C, and it becomes very soft and sticky when it is above 1800 ° C, and can be made into the required shape. On the other hand, since the raw material used in the quartz tube is super-grade crystal stone, which has high purity and few harmful impurities, and can guarantee the quality of diffusion and alloy preparation, so the closed tube diffusion often uses quartz tube.
