8mm OD x 5mm ID – Recrystalised Alumina – Open both ends
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8mm Outer Diameter x 5mm Inner Diameter

A pure and tough ceramic exhibiting hardness and vacuum tightness. Excellent in oxidising and reducing atmospheres. Fair thermal shock resistance. Often used in rare metal thermocouples.

  • Equivalent to Alsint
  • Basic Composition: Al2O3 99.7%
  • Temperature Limits: 1750°C
  • International Standards: DIN VDE 0335 C799
  • Density: 3.9 g/cm³
  • Melting Range: 2072°C
  • Coefficient of Expansion: 8 x10-6 / ° C
  • Thermal Conductivity: 26 W/m ° C
  • Length and Diameter Tolerance: DIN 40680 Medium
8mm by 5mm

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Required Length

We can supply your tubes to the exact length required. Cutting tolerance is ±2mm. If you want the full length available you can leave this field blank.

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6mm OD x 4mm ID – Recrystalised Alumina – Open both ends6mm by 4mm10mm by 6mm10mm OD x 6mm ID – Recrystalised Alumina – Open both ends