MTI Corporation provides high-quality Alumina (Al₂O₃) foam blocks for high-temperature tubing furnaces in universities, companies, and national labs. It comes with the specifications as the following:

• Chemical Composition 80% alumina, click the picture below to see the composition analysis
• 
• Max. working temperature: < 1700ºC
• Diameter: 30 mm (1.38") ± 2mm (0.08")
• Length: 60 mm (2.56") ± 2mm (0.08")
• Fit MTI'sGSL-1300-40X tube furnace

Application Note:

• 🎬"How to" Video Tutorials About MTI Thermal Blocks🎬

• To prevent dust-falling issue and ensure a cleaning process, it is suggested to apply a thin layer of alumina adhesive material on the surface of the foam block. Please click underline to order.
• For direct delivery of precursor gasses over the heating zone, customer may drill a hole in the alumina block for sticking a 1/4" O.D. quartz (<1200ºC) or alumina (<1700ºC) tube to deliver gas into the furnace tube center. Porous alumina block is very soft and it can be hand-drilled through easily. Please refer to the picture below.

Inspect your delivery:
Please check package for damages before accepting delivery.
Should damages found, please keep all packaging materials, take pictures, and report immediately to carrier/MTI.

No Warranty:
Kindly note this item is a consumable part, and not covered by warranty. Make sure to inspect for defect(s) thoroughly before use.