The temperature at which various materials can be heating in the vacuum
material | Maximum bearing temperature |
Metal-glass Sealing parts | 400℃ |
Metal-ceramic Sealing parts | 400℃ |
copper washer | 450℃ |
glass | 140-300℃ |
non-metallic material | 80-100℃ |
Normal metal material | 300-450℃ |
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