Dielectric / Electrical Insulation Ceramic Tube and Ceramic Rod Products

OMEGATITE 650® Protection Tube -- PTRS
from OMEGA Engineering, Inc.

OMEGATITE ®650 is an alloy of silicon nitride and aluminum oxide. This superior refractory material has the combined properties of silicon nitride (high strength, hardness, fracture toughness, and low thermal expansion) and aluminum oxide (corrosion resistance, chemically inert, high temperature... [See More]

  • Shape: Tube
  • I.D.: 0.2559 to 0.6299
  • Width / Diameter: 0.4921 to 1.1
  • Length: 5.91 to 23.62
96% Alumina Rod -- 960300
from Superior Technical Ceramics Corp.

For our stock lengths of 24". Ceramic tubes and rods can be cut to shorter lengths. A dash number with the length is added to the above numbers to represent a cut length. (Ex. 960300-12 represents a 3/16" diameter x 12" long rod.) [See More]

  • Shape: Rod
  • Length: 24
  • Width / Diameter: 0.1875
  • Material Type: Alumina
Alumina
from Kyocera Corporation

The most widely used and best-known fine ceramic material. Good mechanical strength, electrical insulation, high-frequency loss, thermal conductivity, and resistance to heat, wear and corrosion. Sapphire is single-crystal alumina. [See More]

  • Shape: Hollow Stock (Tube, Pipe, Column) (optional feature); Custom Shape (optional feature); Roller / Roll (optional feature); Tube (optional feature)
  • Max Use Temperature: 800 to 1000
  • Material Type: Alumina
  • Thermal Conductivity: 18
Alumina Extruded Rod -- 031AE
from Accuratus Corporation

Accuratus maintains an inventory of standard extruded and cast aluminum oxide, mullite and sialon shapes for fast delivery requirements. These are low cost, quality rods and tubes that can be quickly cut to precision lengths. (See Mullite Sizes, Aluminum Oxide Sizes and Sialon Sizes). Accuratus will... [See More]

  • Shape: Rod
  • Length: 59.06
  • Width / Diameter: 0.0307
  • Material Type: Alumina
Aluminum Nitride (AlN) Ceramic Component
from San Jose Delta Associates, Inc.

Aluminum Nitride - AlN, is most often the material of choice due to its relatively excellent thermal conductivity and non-toxic nature. Because San Jose Delta has a segregated beryllium oxide - BeO department with over 20 years of experience fabricating common microwave designs such as helix support... [See More]

  • Shape: Rod; Custom Shape
  • Dielectric Constant: 9
  • Material Type: Aluminum Nitride; Specialty Material
  • Resistivity: 1.00E15
3M™ Silicon Nitride
from 3M Advanced Materials Division

Heavy-duty diesel engines. Jet engine igniters. Oil wells thousands of feet underground. When extreme conditions like these push equipment to its limits, 3M ™ Silicon Nitride industrial ceramics deliver high performance where other materials fail. 3M silicon nitride is 60% lighter than steel... [See More]

  • Shape: Hollow Stock (Tube, Pipe, Column); Custom Shape; Tube; Immersion Tube or Sheath
  • Applications: Abrasion Resistant; Electronics or semiconductors; Automotive, Aerospace
  • Material Type: Silicon Nitride; Specialty Material
Sapphire
from Kyocera Corporation

Sapphire is single-crystal alumina, a transparent material with excellent chemical stability and valuable mechanical, thermal and optical properties. Its material properties are vastly superior to glass, quartz and other mass-produced transparent materials. [See More]

  • Shape: Hollow Stock (Tube, Pipe, Column) (optional feature); Rod (optional feature); Custom Shape (optional feature); Tube (optional feature)
  • Dielectric Strength: 4.80E7
  • Material Type: Sapphire
  • Dielectric Constant: 9.3 to 11.5
Silicon Nitride
from Kyocera Corporation

Silicon nitride is optimal for engine parts due to its toughness at high temperatures, superior thermal shock resistance, light weight and corrosion resistance. [See More]

  • Shape: Spout (optional feature); Hollow Stock (Tube, Pipe, Column) (optional feature); KilnFurniture (optional feature); Custom Shape (optional feature); Roller / Roll (optional feature); Tube (optional feature); Immersion Tube or Sheath
  • Dielectric Strength: 1.00E7 to 1.30E7
  • Material Type: Silicon Nitride; Specialty Material
  • Dielectric Constant: 9.6
Zirconia
from Kyocera Corporation

The strongest and toughest of all fine ceramic materials, it is used to make scissors and knives which products once considered impossible to make from ceramic. Single-crystal zirconia is also prized as a jewel, as its refractive index creates a diamond-like-brightness. [See More]

  • Shape: Rod (optional feature); Custom Shape (optional feature); Tube (optional feature)
  • Dielectric Strength: 2.80E7 to 3.30E7
  • Material Type: Specialty Material; Zirconia
  • Resistivity: 1000 to 1.00E14