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Electrical Insulators

electrical insulators

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

We hold extensive stocks of electrically insulating high purity alumina and mullite tubes in one, two, four or multiple bore. These are excellent choices for use as insulators, feed-thru's and stand-offs required in severe environments. Custom shapes and sizes quoted on request.

Fish spine beadsShould your needs require insulating a curved wire or electrode, we offer ball and socket fish spine beads in both high alumina and steatite.

To request custom sizes or for our customer service team,
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electrical Insulators

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

See Materials menu above for detail

Fishspine beads

standard Materials: 99.7-99.8% Alumina(EA998), Steatite

Other Possible Materials: Mullite (EM60)

See Materials menu above for detail

Standard Products




  • Temperature measurement
  • Vacuum furnace parts and feed thru's
  • Electrical insulators
  • stand-offs


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

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