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Ceramic Crucibles

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They first aided humans in the smelting of copper, tin and iron. A ceramic crucible is simply a crucible made from a ceramic material, like kiln-fired clay. Read More…

Ceramic Crucibles Generally speaking, a crucible is a vessel or dish that is used to hold a sample inside a high temperature furnace. Ceramic crucibles have enjoyed a long history, having been used as a metalworking tool since around 5000 BC.
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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.

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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.

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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.

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Insaco Inc. $$$

Fremont, CA  |  510-249-9700

Applied Ceramics is a fabricator of custom-made ceramic parts designed for semiconductor, solar, fuel cell, oil drilling, nuclear, and numerous other industries. Materials include ACI-995 Alumina, Zirconia, and more. Our extensive experience with precision designs supported by our team of specialists ensures that our customers have the ideal solution to meet the needs of their application. To get started, contact us today!

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Applied Ceramics $$$

Berkeley Lake, GA  |  770-662-0456

Thermal Products Company, Inc. offers energy-saving and cost-saving ceramic fiber insulation for high temperature applications. Check out the benefits of our ceramic fiber insulation and other thermal products: ceramic fiber blanket, board, paper, textiles, coatings, mixes, modules, heating elements, as well as die cut gaskets, cut blanket & paper strips, and machined board shapes.

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Thermal Products Company, Inc. $$$

St. Joseph, MI  |  269-985-5496

LECO has been providing top-quality ceramic products to industries worldwide for more than 50 years. Each crucible, ladle, stopper rod, nozzle, kiln furniture and ceramic product goes through a rigorous testing cycle to assure it meets our stringent in-house quality standards, ISO 9001:2000 FM 24045 ISO 9001:2015 Q-994, and your exact specifications.

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LECO Corporation $$$
placeholder image LSP Industrial Ceramics, Inc. C-Mac International, LLC Insaco Inc. Applied Ceramics Thermal Products Company, Inc. LECO Corporation

Chemically and physically stable at high temperatures, or refractory, ceramic crucibles are used for working with materials that can only be manipulated at very high temperatures, such as metals, pigments and glasses.

Ceramics are nonmetallic, crystalline, inorganic or amorphous solids that have themselves been fired, cooled and glazed. Their surfaces are smooth and relatively inert. This inertness is crucial to the crucible, as a reactive surface would likely, at a high enough temperature, cause the materials within the crucible to mix with the crucible's own materials.

Magnesia Partially Stabilized Zirconia Ceramic ProductsMagnesia Partially Stabilized Zirconia Ceramic Products - C-Mac International, LLC

Though it is established that a ceramic almost certainly must be made of ceramic material, a customer must still make a decision about what kind of ceramic material he or she will select.

Ceramic crucibles can be made from a variety of base materials, such as silica, zircon, spinel, alumina and magnesite, and the desired chemical composition truly depends upon the crucible's intended application. Each chemical composition reacts differently to heat and pressure.

Alumina crucibles, for example, enjoy a rather widespread usage because they withstand a wide variety of temperature environments and because they are relatively inexpensive. Ceramic crucibles are commonly used in manufacturing, particularly in the areas of metallurgy, analysis and quality control. They also serve as common tools in such research fields as earth science, material science and engineering.

Additionally, ceramic crucibles are common, of course, in the arts, particularly with metalwork, pigment work and clay. Other characteristics that a customer should consider include total capacity, overall shape, wall thickness and bottom thickness.

Though in their early days they were frequently irregularly shaped, inconsistently thick and not terribly refractory, modern ceramic crucibles have evolved to have the ability to be used at incredibly high temperatures and pressures, and can be manufactured to nearly limitless custom specifications.

Ceramic Crucibles Informational Video