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Alumina Ceramic Thermal Tube Blocks for Tubes OD 40mm to 120mm
$29.00 – $79.00
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 | Â OD: 30.2mm, L:84mm |
| 50mm OD tubes | Â OD: 35.1mm, L:83.8mm |
| 60mm OD tubes | Â OD: 44.3mm, L:86mm |
| 80mm OD tubes | Â OD: 64.8mm, L:80.7mm |
| 100mm OD tubes | Â OD: 85.7mm, L:80.3mm |
| 120mm OD tubes | Â OD: 104.6mm, L:80.7mm |
| 150mm OD tubes | Â OD: 134.5mm, L:80.9mm |
| 250mm OD tubes | Â OD: 236.2mm, L:80.7mm |
Tolerance Range: 2-3mm
