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Alumina Crucible Manufacturers and Suppliers

IQS Directory is a top industrial directory listing of leading industrial alumina crucible manufacturers and suppliers. Access our comprehensive index to review and source alumina crucible manufacturers with preview ads and detailed product descriptions. These alumina crucible companies can design, engineer and manufacture alumina crucibles to your specifications and application needs. A quick and easy to use request for quote form is provided for you to contact these alumina crucible manufacturers and suppliers. Each company has detailed profile information, locations, phone number, website links, product videos and product information defined. Read customer reviews and product specific news articles. We are the right resource for your information requirement whether it’s for a manufacturer of custom ceramics, ceramic nozzles, or ceramic crucibles of every kind.

  • Myrtle Beach, SC 609-397-8330609-397-8341

    LSP carries a large inventory of alumina crucibles on hand for quick sale and delivery. Our ceramic crucibles feature radiused sides and flat bottoms, and come in three main configurations: high form, cylindrical, and conical. Our high quality crucibles come in capacities as small as 2 mL and as large as 4750 mL. We can also custom design and manufacture to your unique specifications.

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  • Pittsburgh, PA 412-406-7171

    C-Mac International boasts an impressive track record for perfectly formed alumina crucibles, and can provide the expertise needed to meet all of your technical specifications. We specialize in tight tolerance parts, and frequently work with alumina in 90%, 96%, and 99.5% pure forms. We have low overhead and efficient operations, and can save you up to 25% from our largest competitor's price.

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  • 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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  • 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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  • Latrobe, PA 724-532-1900

    Alumina Ceramic Components, Inc. is an ISO 9001:2008 certified manufacturer that specializes in precision engineered ceramic components. We work most often with green machining and press to shape ceramics. We also provide post firing grinding, glazing, and colorization. We fabricate parts made to the customer’s specifications.

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  • Midway, GA 912-880-3526

    Utilizing advanced ceramic materials, Elan offers innovative solutions at competitive prices with short lead times: Technical glass & ceramic parts for aerospace & defense, microelectronics, health care, lighting, automotive, marine, telecommunications, etc. The preeminent independent U.S. company producing technical glass, ceramic & glass ceramic composite preforms for hermetic seals & spacers.

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businessIndustry Information

Alumina Crucibles

An alumina crucible is a type of crucible made from alumina, also called aluminum oxide, which is the same material used to produce aluminum metal. The ceramic form of alumina is frequently employed for production of alumina crucibles because of its strength, low cost and ability to withstand temperatures upwards of 3272°F.

Pure alumina is a refractory material, meaning that it can withstand extremely high temperatures without breaking down. Alumina’s melting point is approximately 3760°F. A form of alumina, aluminum oxide, is frequently used to make crucibles. Aluminum oxide is industrially refined from bauxite ore, which contains aluminum. Following multiple purification processes, a substance called calcined alumina is extracted, which contains mostly alumina with some impurities, primarily sodium oxide. Unfortunately, the less pure the alumina, the lower its resistance to heat. For this reason, high-purity alumina is preferred, especially in industrial laboratories. This type of alumina can be made using a similar process to calcined alumina.

The heat resistance of alumina crucibles is an especially important feature because they are used in chemical laboratories as containers for extremely hot chemical compounds. Alumina crucibles have applications in laboratory research, academia and industry and come in a wide variety of shapes and sizes. For example, high-form alumina crucibles are commonly used in academic laboratories. These crucibles, which are often used to melt or heat chemicals over a Bunsen burner or in an oven, look like a deep, narrow cup. Commercially, high-form crucibles come in rectangular or cylindrical form. Other crucibles used in academic or research laboratories are usually small, with a diameter less than the size of an adult human hand, adequate for the small amount of chemicals they are required to hold. All smaller crucibles are used with a lid made out of the same material, and are handled with tongs and gloves to prevent burning or other accidents. Industrial alumina crucibles, which may be used for melting metals and creating alloys, can be much larger and require installation in the furnace with sufficient space and exterior support for use.

High Form and Cylindrical Alumina Crucibles Conical Alumina Crucible and Disc
High Form and Cylindrical Alumina Crucibles - LSP Industrial Ceramics, Inc. Conical Alumina Crucible and Disc - LSP Industrial Ceramics, Inc.
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Alumina Crucbiles Informational Video