Premalox High Purity Alumina Powders (99.99%)
from Advanced Abrasives Corp.

Premalox High Purity Alumina Powders (99.99 %). Provided in AG (As Grown) and DA (De-Agglomerated) formats. High purity and uniform particle shape ensures consistency from lot to lot to deliver the best possible quality finish regardless of application. Available in abrasive particle sizes 0.05... [See More]

  • Alumina / Aluminate Type: Alumina
  • Applications: Optical Grade; Abrasive Applications
  • Shape / Form: Powder, Grain or Grog
Advanced Alumina -- AD-85
from CoorsTek

Ceramics for use in Semiconductor Processing. CoorsTek provides support for the semiconductor manufacturing industry by supplying the chamber-critical components used in sophisticated chip-processing equipment. These critical components are produced from a very wide range of high-purity technical... [See More]

  • Alumina / Aluminate Type: Alumina
  • Shape / Form: Custom Shape
  • Composition: 85% Alumina
  • Max Use Temperature: 1400
Alumina 94% Machined Components
from Insaco, Inc.

Alumina (Al2O3) is one of the most widely specified, general-purpose technical ceramics. All aluminas are very hard and wear resistant, with high compressive strength even against extreme temperatures and corrosive environments. Aluminas are also excellent electrical insulators and are gas tight. [See More]

  • Alumina / Aluminate Type: Alumina
  • Shape / Form: Custom Shape; Plate / Board (optional feature); Tube (optional feature); WaferSubstrate (optional feature); Hollow Stock (Tube, Pipe, Column) (optional feature)
  • Bond & Processing: Sintered / Fired
  • Max Use Temperature: 1700
Alumina Ceramic -- AL-1009
from Morgan Advanced Materials

A porous alumina ceramic of 99.85% Al2O3 content, especially developed as a ‘lossy ’ material for microwave attenuation as typically needed in vacuum tubes. [See More]

  • Alumina / Aluminate Type: Alumina
  • Dielectric Constant: 6.9
  • MOR / Flexural Strength: 22916
  • Density: 3.10E-9
Ceramic Thermocouple Insulator -- FRA Series
from OMEGA Engineering, Inc.

•. Available in a Wide Range of Sizes. •. Single Hole, Two Hole and Four Hole Insulators. •. Service Temperature up to 1950 °C(3540 °F) with OMEGATITE ® 450 [See More]

  • Alumina / Aluminate Type: Alumina
  • Shape / Form: Tube
  • Composition: 99.8% Al2O3, 99% Al2O3, 80% Mullite, 20% Glass
  • Length: 6
Ceramic Protection Tube -- 16A
from Pyromation, Inc.

The thermocouple protection tubes illustrated on this catalog page are replacement tubes for Pyromation's complete ceramic protection tube thermocouple assemblies as found elsewhere in this catalog section, and they are compatible replacements for other manufacturers' protection tubes. The Series 16... [See More]

  • Alumina / Aluminate Type: Alumina
  • Shape / Form: Tube; Immersion Tube or Sheath
  • Composition: Mullite, 63% Alumina
  • Length: 12 to 36
Denstone® deltaP® 99 Media -- High-Alumina Support
from Saint-Gobain Innovative Materials

Denstone ® deltaP ™ 99 technology utilizes the revolutionary, patent pending Saint-Gobain NorPro Denstone deltaP bed support technology and combines it with a high alumina, low silica composition to produce a media that is engineered to withstand the most severe environments while... [See More]

  • Alumina / Aluminate Type: Alumina
  • Composition: Al2O3 >99%
  • Bond & Processing: Sintered / Fired
  • Shape / Form: Custom Shape; Hollow Stock (Tube, Pipe, Column)
High Purity Alumina Ceramic Component -- AM-94
from San Jose Delta Associates, Inc.

San Jose Delta maintains an in-house inventory of most grades of alumina ceramics as BARS-RODS-TUBES and SHEETS. The availability of fired “grinding stock ” ceramic makes the production of small quantity and prototype orders less costly and offers shorter lead-times. For larger... [See More]

  • Alumina / Aluminate Type: Alumina
  • Max Use Temperature: 1650
  • Shape / Form: BarStock; Custom Shape; Rod; Tube
  • Thermal Conductivity: 20.8
Aremcolox™ 502 Series Ceramic -- 502-1400-BF
from Aremco Products, Inc.

Aremco offers a broad range of machinable and fully-dense ceramic materials for applications in which high temperature insulation, thermal shock resistance and high dielectric strength are required. Aremcolox ™ and Super-Heat ceramics include compositions based on alumina, alumino-silicates,... [See More]

  • Alumina / Aluminate Type: Alumina
  • Max Use Temperature: 1427
  • Shape / Form: Plate / Board; Rod
  • Thermal Conductivity: 4.3
Aluminum Oxide -- Alumina 80
from CerCo, LLC

Applications such as material handling,wear,thermal,armor and electronics [See More]

  • Alumina / Aluminate Type: Alumina
  • Max Use Temperature: 1552
  • Shape / Form: KilnFurniture (optional feature)
  • MOR / Flexural Strength: 2240
Alumina Process Tubes, Closed One End -- GO-33912-50
from Cole-Parmer

Alumina process tube, closed one end, 1" OD, 12" L. 99.8% pure alumina is a hard, chemical-resistant material that withstands temperatures up to 3056degF (1800degC) in aggressive environments. Compressive strength: 3650 MPa ( [See More]

  • Alumina / Aluminate Type: Alumina
  • Length: 12
  • Shape / Form: Immersion Tube or Sheath
  • Width / OD: 1
Feedthroughs & Insulating Tubes -- FRIALIT®
from Friatec N.A., LLC

Wherever there is an extreme environment for any type of device or instrument, that is where you find FRIALIT - DEGUSSIT. With FRIALIT - DEGUSSIT everything is possible. Ceramic-metal parts are the basis for building engineering devices specifically desig [See More]

  • Alumina / Aluminate Type: Alumina
  • Shape / Form: Tube
  • Composition: Al2O3-99.7%
  • Thermal Conductivity: 6 to 41
Microelectronic Packaging Materials -- Ceramic Substrates
from Materion Corporation

Materion Microelectronics & Services offers metalized substrates developed from Beryllium Oxide (BeO) or alumina (Al2O3). The metallization can be thick film MoMn followed by plating, or direct bond copper (DBCu). [See More]

  • Alumina / Aluminate Type: Alumina
  • Shape / Form: BarStock
ALTRA® Composite Systems
from Rath Incorporated

The ALTRA ® Composite System (ACS) is an engineered insulation system that eliminates the traditional problems of excessive shrinkage, stress cracking, and roof sagging that often cause failure of high temperature ceramic fiberboard insulation in furnaces and kilns. The ACS design can be used... [See More]

  • Alumina / Aluminate Type: Alumina
  • Max Use Temperature: 1600 to 1800
  • Shape / Form: Custom Shape; Plate / Board
  • Applications: Refractory or High Temperature Insulation; Thermal Insulation or Fire Proofing Material; Abrasives, ceramics or glass manufacturing; Chemical or material processing; Foundry / Metal Processing
Fuel Cell Insulation
from Refractory Specialties Incorporated

T-Cast All Alumina Vacuum formed Shapes and Boards. for use in reducing atmospheres in fuel cell applications. Vacuum formed products are lightweight ceramic fiber shapes or boards, bonded with various binders, and used as high temperature fuel cell insulation. Ceramic fibers and binders that are... [See More]

  • Alumina / Aluminate Type: Alumina
  • Length: 18 to 72
  • Shape / Form: Custom Shape; Plate / Board
  • Width / OD: 17 to 24
96% Alumina Plate/Disk -- P96001-x x
from Superior Technical Ceramics Corp.

Plate sizes can be made to various thicknesses. Standard thicknesses are .125", .250", .375", .500", .625", .750", and 1.00". Not all plates can be made to the thicknesses listed above. Please contact us for the maximum thickness that can be manufactured for your desired plate size. [See More]

  • Alumina / Aluminate Type: Alumina
  • Length: 2.11
  • Shape / Form: Plate / Board
  • Width / OD: 2.11
Refractory Sheet Type RS-100 -- BS01
from ZIRCAR Refractory Composites, Inc.

ZIRCAR Refractory Sheet Type RS-100 is a ceramic fiber reinforced structural alumina composite material with useful properties to 1260°C (2300°F). It has exceptional flexural and compressive strengths in the range of high temperature reinforced plastics such as G-7 and G-10 laminates and retains... [See More]

  • Alumina / Aluminate Type: Alumina
  • Shape / Form: Custom Shape (optional feature); Plate / Board
  • Composition: Al_2O_3 , SiO_2 , Other Metal Oxides
  • Length: 24