Electrical / HV Parts Oxide Ceramics

Unipretec offers 99.6% alumina substrates. This high purity alumina substrate exhibits excellent physical, chemical, and mechanical properties, including exceptional insulating properties, high thermal conductivity, low dielectric constant, low dielectric loss, high flexural strength, high wear and... [See More]

• Applications: Chemical or material processing; Corrosion resistant; Electronics or semiconductors; HV / Electrical
• Shape / Form: Plate / Board

• Oxide Type: Alumina
• Max Use Temperature: 1500 to 1650

High-purity alumina beads are widely used as grinding and dispersing media and also can used for continuous feed sapphire growth systems. The purity of alumina content Innovacera provided is 92%-99.99% and standard alumina beads size is from 0.05mm to 30mm. When some industries need the mill media... [See More]

• Applications: HV / Electrical; Scientific Research

• Performance Features: High corrosion resistance to the acid and the alkali

Al2O3 substrates are now the most established ceramic substrates in terms of manufacturing and processing technology. Unipretec provides al2o3 substrates with alumina concentration of 96%. Due to their exceptional electrical, mechanical, and chemical properties, they are extensively used. We use... [See More]

• Applications: Chemical or material processing; Corrosion resistant; Electronics or semiconductors; HV / Electrical
• Shape / Form: Plate / Board

• Oxide Type: Alumina
• Max Use Temperature: 1500 to 1650

Innovacera manufactures many kinds of metalized ceramic coil bodies for electrical inductors, including the H-shapes, U shape and Bone-shaped and so on. The main material of metalized ceramic coil bodies is 96 Alumina and the metallized coating material is W, Ni, Au etc. Our factory have more than... [See More]

• Applications: HV / Electrical; Mobile Phones, Digital Cameras, Notebook Computers, Liquid Crystal Displays, Network Transformers
• Shape / Form: Custom Shape

• Oxide Type: Alumina
• Performance Features: Glaze or protective coating; Metallized or electrode film; Metallized coating material is W, Ni, Au etc.

Alumina ceramic furnace tubes are used to contain and protect heating elements and samples processed in the furnace. In addition, they are used to control the atmosphere within the furnace by preventing air from entering or leaving the furnace. [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical
• Shape / Form: Tube

• Oxide Type: Alumina
• Max Use Temperature: 1500 to 1650

Alumina ceramic plates are well-known for their hardness, wear resistance, and electrical insulation. These plates have numerous applications across various sectors, including the electronics, metallurgy, medical, semiconductor, and armor systems. Unipretec offers ceramic plates with different... [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical; Wear resistant parts or tooling
• Shape / Form: Plate / Board

• Oxide Type: Alumina
• Max Use Temperature: 1500 to 1650

Alumina ceramic rods have high hardness and excellent wear resistance, making them less susceptible to damage from friction or usage. Additionally, they can maintain their superior mechanical and insulating properties at high temperatures, and are chemically inert, meaning they are not corroded by... [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical; Wear resistant parts or tooling
• Shape / Form: Immersion Tube or Sheath

• Oxide Type: Alumina
• Max Use Temperature: 1500 to 1650

Alumina ceramic tubes are made of high-purity alumina materials that have exceptional characteristics like high temperature resistance, wear resistance, and chemical stability, etc., and are extensively utilized in a wide range of industries. [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical
• Shape / Form: Tube

• Oxide Type: Alumina
• Max Use Temperature: 1500 to 1650

Unipretec manufactures alumina rod with aluminium oxide purity of 95%, 99%, and 99.8%. Due to their remarkable characteristics, such as their high-temperature resistance, mechanical strength, electrical insulation, and chemical inertness, alumina rods are an essential component in a variety of... [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical; Wear resistant parts or tooling
• Shape / Form: Immersion Tube or Sheath

• Oxide Type: Alumina
• Max Use Temperature: 1500 to 1650

Alumina sheet is manufactured of 95%, 96%, 99%, or 99.8% high-purity alumina. It has a wide range of advantageous properties, making it a versatile ceramic material for a variety of industrial applications. Due to their resistance to high temperatures, superior mechanical strength, electrical... [See More]

• Applications: Refractory or High Temperature Insulation; Optical Grade; Chemical or material processing; Corrosion resistant; Electronics or semiconductors; HV / Electrical
• Shape / Form: Plate / Board

• Oxide Type: Alumina
• Max Use Temperature: 1500 to 1650

Alumina substrate, also known as aluminum oxide substrate or ceramic substrate, is primarily composed of aluminum oxide (Al2O3). The excellent electrical, thermal, and mechanical characteristics of alumina, a well-known ceramic material, lead to its selection. The manufacturing process of alumina... [See More]

• Applications: Corrosion resistant; Electronics or semiconductors; HV / Electrical
• Shape / Form: Plate / Board

• Oxide Type: Alumina
• Max Use Temperature: 1500 to 1650

Alumina tube is a non-porous ceramic tube that is formed of 95%, 99%, or 99.8% alumna material. As a result of its remarkable thermal, mechanical, and chemical characteristics, it is a preferred option in various sectors. Its resistance to high temperatures, abrasion, and corrosion, as well as its... [See More]

• Applications: Refractory or High Temperature Insulation; Thermal Insulation or Fire Proofing Material; Corrosion resistant; HV / Electrical
• Shape / Form: Tube

• Oxide Type: Alumina
• Max Use Temperature: 1500 to 1650

Aluminum oxide ceramic is a high-performance ceramic material, also known as alumina ceramic material. Composed of high-purity alumina powder, this non-metallic material is manufactured via pressing, molding, sintering, and other processes. According to the alumina content, it is classified as 92... [See More]

• Applications: Refractory or High Temperature Insulation; Bioceramics; Chemical or material processing; Corrosion resistant; Electronics or semiconductors; HV / Electrical
• Max Use Temperature: 1200 to 1650

• Oxide Type: Alumina
• Density: 3.6 to 3.95

Insulators are materials or devices that prevent the flow of electrical current or transfer of heat. As for boron nitride ceramic, it possesses a number of properties including high dielectric strength, low dielectric loss, low thermal conductivity, high thermal stability, chemical inertness,... [See More]

• Applications: Refractory or High Temperature Insulation; Thermal Insulation or Fire Proofing Material; Corrosion resistant; HV / Electrical
• Density: 1.55 to 3

• Max Use Temperature: 900 to 2000
• Performance Features: Sintered / Fired; Machinable ceramic; Soft

Silicon nitride tubes have outstanding mechanical and thermal characteristics, as well as excellent chemical stability, allowing them to withstand demanding working environments where metal or polymer materials are unbearable. [See More]

• Applications: Refractory or High Temperature Insulation; Chemical or material processing; Corrosion resistant; HV / Electrical; Wear resistant parts or tooling
• Max Use Temperature: 1000 to 1200

• Shape / Form: Tube
• Density: 3.2 to 3.3

Zirconia tubes can be made from either partially stabilized zirconia or fully stabilized zirconia. PSZ is the yttria or magnesia partially stabilized zirconia, whereas FSZ is the yttria or ceria fully stabilized zirconia. UNIPRETEC primarily manufactures yttrium partially stabilized zirconia tubes. [See More]

• Applications: Refractory or High Temperature Insulation; Abrasion Resistant; Chemical or material processing; Corrosion resistant; HV / Electrical; Wear resistant parts or tooling
• Shape / Form: Tube

• Oxide Type: Zirconia
• Density: 5.95 to 6

Zirconium oxide, also spelt zirconia (ZrO2), is a type of versatile and high-performance ceramic material. It exhibits outstanding mechanical, thermal, and chemical properties, making it suitable for a vast variety of applications. [See More]

• Applications: Refractory or High Temperature Insulation; Bioceramics; Chemical or material processing; Corrosion resistant; Electronics or semiconductors; HV / Electrical; Wear resistant parts or tooling
• Density: 5.95 to 6

• Oxide Type: Zirconia
• Performance Features: Sintered / Fired; Hard

High fired strength, dense ceramics [See More]

• Applications: Refractory or High Temperature Insulation; Abrasives, ceramics or glass manufacturing; Chemical or material processing; Corrosion resistant; HV / Electrical; Fiberoptics, Radiant Heaters, Temp Probe
• Max Use Temperature: 1649

• Oxide Type: Alumina
• CTE: 7.20E6

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]

• Applications: Refractory or High Temperature Insulation; Abrasion Resistant; Armor / Ballistic Protection; Electronics or semiconductors; HV / Electrical
• Composition or ASTM/EN Cement Type : 94% - 99.5% Al2O3

• Oxide Type: Alumina
• Shape / Form: Rod

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]

• Applications: Refractory or High Temperature Insulation; Abrasion Resistant; Electronics or semiconductors; HV / Electrical; Wear resistant parts or tooling
• Shape / Form: BarStock; Custom Shape; Rod; Tube

• Oxide Type: Alumina
• Max Use Temperature: 1650