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Alumina Ceramic Thermal Tube Blocks

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A pair of high quality alumina ceramic (Al2O3) thermal blocks for high temperature tube furnaces. These refractory blocks must be placed in front of vacuum sealing flanges to minimize heat damage to the silicon sealing gasket.

SKU: 4200468 Category: Tag:


Tube size
Thermal block size

 For 60mm OD tubes
 50mm OD, 80mm length

 For 80mm OD tubes
 67mm OD, 80mm length

 For 100mm OD tubes
 85mm OD, 80mm length

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