Description
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.
| Tube Size |
Thermal Block Size |
| 40mm OD tubes | OD: 30.2mm, L:84mm |
| 50mm OD ceramic tubes | OD: 35.1mm, L:83.8mm |
| 50mm OD quartz tubes | OD: 42mm |
| 60mm OD ceramic tubes | OD: 44.3mm, L:86mm |
| 60mm OD quartz tubes | OD: 50mm |
| 80mm OD ceramic tubes | OD: 65mm |
| 80mm OD quartz tubes | OD: 70mm |
| 100mm OD ceramic tubes | OD: 84mm |
| 100mm OD quartz tubes | OD: 90mm |
| 120mm OD tubes | OD: 104.6mm, L:80.7mm |
| 150mm OD tubes | OD: 134.5mm, L:80.9mm |
| 200mm OD tubes | OD: 186 mm, L: 82 mm |
| 250mm OD tubes | OD: 236.2mm, L:80.7mm |
Tolerance Range: 2-3mm
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