Product gallery
About us
Special offers
Alumina Rods and Thermocouple Protection Tubes

Furnace and Thermocouple Protection Tubes

  • Comprehensive range of sizes
  • Available directly from stock
  • Fast deliveries
  • Competitive Prices
Applications Standard Products Enquiry

Thermocouple protection tubes and furnace tubes are available in a variety of materials: mullite; corundum; high purity alumina, mullite-bonded silicon carbide, and zirconia.

We have extensive stocks in the UK and USA of all the popular imperial and metric sizes in Mullite and Alumina. We are able to cut to length as required. Non standard sizes and materials are also available on request.

Thermocouple protection tubes from stock are available in small quantities or one off as required. Large quantities may be available from stock or on a short lead time.

We are also able to stock on consignment for call off if required.

To request custom sizes or for our customer service team,
click here

standard Materials: 99.7-99.8% Alumina (EA998), 99.5% Alumina (EA995), Mullite (EM60)

Other Possible Materials: Zirconia (EZY 88, EZY 94), Silicon Carbide (EC 70P, EC 90P)

See Materials menu above for detail


  • Electrical insulation
  • High dimensional tolerances
  • Chemical corrosion resistance
  • High temperature resistance
  • Very good thermal shock properties