Another application of our alumina tubes is used as thermocouple protection tubes, and thermocouple insulators. Our tube diameter range from 1.2mm to 130mm, length from 100mm to 2000mm.

The following are nomal sized tubes we usually make:

Outer diameter/Inner diameter

3mm/0.8mm (2 bores)

4mm/0.8mm (2 bores)

6mm/4mm

8mm/5mm

10mm/7mm

12mm/8mm

16mm/12mm

20mm/16mm

25mm/16mm

Other sized tubes can be made according to your requirements.

If you're interested in our tubes please contact with us. We believe you'll be surprised by our fast delivery, competitive prices, and high quality.