Ceramic Insulators

A reliable source for Ceramics information and leading Ceramics Companies & Manufacturers.

The most easily recognizable ceramic insulators can be found at power substations and on electrical transformers suspended from utility poles. They are called bushings and are usually designed with several conic or circular tiers stacked on top of each other. Read More…

Ceramic Insulators Ceramic insulators are ceramic materials used to insulate electrically-conductive materials or temperature-controlled enclosures. In the context of electrical insulation, ceramic insulators are usually limited to the insulation of electrically conductive materials on an industrial or municipal scale.

Leading Manufacturers

Myrtle Beach, SC  |  609-397-8330, 609-397-8341

As a manufacturer and stocking distributor of industrial and technical ceramics, LSP carries the most diversified inventory of ceramic tubes, spacers, bushings, etc. in the industry. Our teams aim to exceed your expectations and our high performance solutions are very cost efficient. If you have any questions then feel free to visit our website or give us a call today!

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LSP Industrial Ceramics, Inc. $$$

Pittsburgh, PA  |  412-406-7171

C-Mac International, LLC is a custom ceramics supplier. We provide advanced ceramic component parts manufacturing for a variety of industries and provide solutions to many ceramic needs. Our company specializes in Alumina, Steatite, Cordierite, Zirconia, and MgO. For all your ceramic needs or a free price quote, call C-Mac International, LLC today!

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C-Mac International, LLC $$$

Quakertown, PA  |  215-536-3500

Insaco provides custom grinding and machining services to fabricate precision parts from sapphire, quartz, and most technical ceramics including alumina, zirconia, silicon carbide, silicon nitride, aluminum nitride, and others. Engineers are available to discuss material options/alternative recommendations, as well as design concepts to help our customers minimize fabrication costs. Since 1947 Insaco has enjoyed an extremely strong reputation for reliably meeting the toughest grinding and machining requirements in working with these difficult materials.

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Insaco Inc. $$$

Fremont, CA  |  510-249-9700

Years of experience have created unique specializations and expertise of our engineering and product consultation team. Applied Ceramics has a proven track record in creating the highest quality products for semiconductor processing equipment, automotive ceramics, cutting tools and many other industrial ceramics. We’ve machined products for industries such as aerospace/aviation, medical, nuclear, and more, but can produce products from high-end materials for all relevant enterprises.

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Applied Ceramics $$$

Holbrook, MA  |  781-961-5297

Ceramics machining and much more is what you will find at Mica-Tron Products. We have the ability to machine intricate parts in a wide variety of materials. In our state-of-the-art facility, we are able to offer single prototypes to large runs of thousands. Excellence in quality since 1959.

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Mica-Tron Products Corp. $$$

Tucson, AZ  |  520-547-0850

Since our founding in 2001, as an AS 9100 certified aerospace research and development company, Advanced Ceramics Manufacturing we have become a leader in the production of ceramic components, custom ceramic fabrication and water soluble molds and tooling. We specialize in aerospace composites. Within our state of the art facility, we have an autoclave, wet-lab, metrology lab, ceramic firing ovens, QC lab, and two composite clean room.

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Advanced Ceramics Manufacturing $$$

Atlanta, GA  |  770-448-6888

Our Versagrid® honeycomb ceramic products are custom made to your specifics. Applied Ceramics provides product in mullite, fused silica, cordierite, activated carbon and alumina ceramics. As ceramic manufacturers, our cell density runs 4-400 cells psi. We’ve been in business since 1967. Contact us.

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Applied Ceramics, Inc. $$$
placeholder image LSP Industrial Ceramics, Inc. C-Mac International, LLC Insaco Inc. Applied Ceramics Mica-Tron Products Corp. Advanced Ceramics Manufacturing Applied Ceramics, Inc.

These tiers are designed to keep water as far away from the center of the bushing as possible; this reduces the number of avenues by which electricity could be conducted in the case of a bushing puncture or fracture.

In the context of thermal insulation, ceramic insulators are used to help maintain the temperatures of industrial ovens, art studio kilns and many other kinds of heat-generating equipment. This improves heating process efficiency while simultaneously preventing the unwanted transmission of heat, often in unsafe degrees, into workspaces.

Alumina Ceramic Insulators Ceramic Insulators - LSP Industrial Ceramics, Inc.

Ceramics are often good choices for heat and electrical insulation because of the electrical and thermal non-conductivity of some ceramic varieties.

Ceramics are versatile materials and can be shaped into solid insulation of any shape. Ceramic fibers can also be spun into high temperature insulation "wool." Ceramic wool is an excellent insulator because it is easily placed around heating enclosures and prevents heat from escaping. Ceramics vary in their electrical and thermal conductivity.

Aluminum nitride and silicon carbide, for example, conduct heat well, which does not make them suitable thermal insulators. If either material was used to insulate a heating enclosure, heat generated in the enclosure would be transferred quickly to the insulation and then transferred again to the area outside of the enclosure.

Aluminum oxide ceramics are fair thermal insulators and are most effectively employed in low-heat insulation applications. Silicon nitride is better still as an insulator and zirconia is among the most effective ceramic insulators, transmitting very low levels of heat between itself and heating enclosures.

Another important property of ceramics related to their capacity as insulators is their low thermal shock susceptibility. Thermal shock susceptibility is the tendency of a material to become damaged when exposed to frequently or quickly changing temperatures. Most ceramics are very thermal shock-resistant.

Ceramic Insulator Informational Video