High-purity corundum furnace tube, while using its high-purity and high-temperature characteristics, we must follow the inherent characteristics of corundum material (relatively poor thermal shock resistance, not resistant to rapid cooling and rapid heating), and operate with caution during use. Operation will cause the furnace tube to burst. The reasons for the explosion of the furnace tube are analyzed as follows:Metal powder vacuum sintering technology 1. The temperature difference is too large 1. When using a high-temperature furnace tube, the heating and cooling speed is controlled at 5 degrees per minute, the slower the better. Rapid cooling and rapid heating is one of the main reasons for corundum furnace tube breakage, and the operating temperature should generally not exceed 1650°C;Vacuum Hardening Furnace 2. Always keep the inside
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