FURNACE HEATING ELEMENT HARWARE PRODUCTS


MULLITE TUBES and CERAMIC Hardware

  • Thermocouple Protection tubes
  • Electrical insulators
  • Heating Element mounting tubes, holders, clamps, hanger rods
  • Rollers for furnaces
  • Kiln hardware
  • Custom Ceramic hardware

Mullite is an excellent material choice in high temperature, high hot strength, and thermally shock resistant products. It is virtually volume stable at very high temperatures reaching 3100°F (1700°C). It has a low coefficient of thermal expansion. It is a good thermal and electrical insulator – even at very high temperatures. It has outstanding hot load-bearing properties, and it is resistant to many corrosive environments. It is, in short, the key ingredient in many refractory and ceramic products.

Major Properties:

  • Good high temperature strength
  • Good thermal shock resistance
  • Excellent thermal stability
  • Resistance to most chemical attack; it has excellent stability in acid metal slags
    and is insoluble in most acids
  • Resistance to oxidation and attack by furnace atmospheres
  • Resistance to abrasion
  • Good electrical resistivity

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QUARTZ TUBES

The industry-standard clear fused quartz material is economical and available in a range of sizes. Quartz tubes have excellent visual, thermal, and mechanical properties, low hydroxyl content and tight dimensional tolerances.

Electrical Properties:
Fused quartz has many properties that make it an excellent choice for electrical applications, very low electrical conductivity, high dielectric strength and low dielectric loss. These properties are maintained even at high temperatures.

Quartz has an annealing point of 1200°C and high resistance to thermal shock – making it an excellent choice for many heating applications, especially those with rapid temperature cycle requirements.

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Duralite, Inc., P.O. Box 188, 15 School Street, Riverton, CT 06065
Phone: 888-432-8797, 860-379-3113, Fax: 860-379-5879

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