Alumina High Form Crucibles

Alumina high form crucibles are specialized containers crafted by LSP Ceramics from high- purity aluminum oxide (Al2O3), renowned for their high-temperature resistance, chemical inertness, and mechanical strength. These crucibles are designed with a tall, narrow profile, ideal for applications requiring minimal contamination, like chemical calcination or metal casting. They can withstand temperatures up to 1750°C-1800°C, offering excellent thermal shock resistance due to the material’s properties. Their high purity (often >99%) ensures they are suitable for sensitive processes in laboratories and industries, providing a reliable, contamination-free environment for various experimental and industrial uses.

Alumina High Form Crucible

 

ITEM# HFC CAPACITY (ML) TOP OD (mm) BOTTOM OD (mm) HEIGHT (mm)
HFC005 5 25 15 28
HFC010 10 28 18 33
HFC025 25 36 26 42
HFC050 50 48 32 50
HFC100 100 58 38 65
HFC150 150 65 45 75
HFC250 250 78 48 90
HFC500 500 98 60 120
HFC750 750 115 70 130
HFC1000 1000 125 80 150
HFC1500 1500 145 90 170
HFC2000 2000 150 100 200
ITEM# HFC CAPACITY (ML) TOP OD (mm) BOTTOM OD (mm) HEIGHT (mm)
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Industries Using Alumina High Form Crucibles

  • Materials Science Research: Alumina high form crucibles are widely used in laboratories for melting, mixing, and analyzing materials such as ceramics, metals, and composites. Their high purity ensures minimal contamination, critical for precise experiments in developing advanced materials.
  • Chemical Industry: These crucibles are employed in chemical processing due to their resistance to corrosive substances. They are used for calcining, evaporating, and concentrating chemical compounds, ensuring reliable results without crucible degradation.
  • Metallurgy: In the melting and analysis of ferrous, non-ferrous, and precious metals, alumina high form crucibles provide a thermally stable and chemically inert environment. They are used in smelting, assaying, and refining processes, particularly for metals like platinum, tungsten, and gold.
  • Semiconductor Manufacturing: The semiconductor industry uses these crucibles for processes like chemical vapor deposition (CVD) and crystal growth, where high purity is essential to prevent contamination of electronic components.
  • Glass Industry: Alumina high form crucibles are critical for melting and shaping special glasses in industrial furnaces. Their thermal shock resistance and wear durability ensure safe handling and long service life in corrosive, high-temperature glass-casting environments.
  • Academic and Laboratory Research: Universities and research institutions use these crucibles for experiments involving high-temperature reactions, such as burning pigments, frits, or luminescent materials. Their small sizes and high-form shape are ideal for handling limited quantities of chemicals safely.
  • Ceramics Manufacturing: In the production of ceramic powders and components, alumina crucibles are used for sintering and calcining processes, leveraging their ability to maintain structural integrity at extreme temperatures.

Material Characteristics and Performance Benefits

High form alumina crucibles deliver a combination of thermal endurance, mechanical strength, and chemical resistance. With the ability to withstand temperatures approaching 1800°C, these components maintain dimensional stability during repeated heating cycles. Their low porosity and inert behavior help prevent contamination, supporting reliable results in environments involving corrosive media, powdered materials, or high purity compounds. The material’s insulating properties also promote uniform heat distribution, which is essential for processes requiring controlled thermal exposure.

Design Profile and Functional Advantages

The tall, narrow geometry of high form crucibles is ideal for applications that involve extended heating, evaporation, or concentration of materials. This design helps minimize splashing, supports efficient heat transfer, and provides a deeper reaction chamber for processes requiring vertical containment. The smooth interior surface aids in sample retrieval and reduces the likelihood of residue buildup, contributing to consistent performance across repeated uses.

Application Environments

Alumina high form crucibles are used across a wide range of industries. Research laboratories rely on them for melting, mixing, and analyzing metals, ceramics, and composite materials. Chemical processors use them for calcination, evaporation, and thermal decomposition tasks. Metallurgical operations employ these crucibles for smelting, refining, and assaying ferrous and non ferrous metals. Additional uses include semiconductor processing, glass formulation, ceramic powder production, and academic research involving high temperature reactions.

Support for Custom Requirements

For specialized applications, alumina high form crucibles can be produced in custom dimensions or purity levels. Adjustments to wall thickness, height, or diameter allow users to match the crucible to specific furnace configurations or process conditions. This flexibility ensures compatibility with unique equipment setups and supports consistent performance in demanding environments.

FAQs

What Makes High Form Crucibles Different from Standard Crucibles

Their tall, narrow geometry provides deeper containment and supports processes that require extended heating or controlled evaporation.

Are Alumina High Form Crucibles Suitable for Corrosive Materials

Yes. Alumina’s resistance to acids, alkalis, and reactive compounds allows these crucibles to perform reliably in corrosive environments.

Can These Crucibles Be Used at Very High Temperatures

High form alumina crucibles can withstand temperatures approaching 1800°C, making them suitable for a wide range of thermal processes.

Is Custom Manufacturing Available for High Form Crucibles

Yes. Custom dimensions, purity levels, and wall thicknesses can be produced to meet specific application requirements.

Why Choose LSP Ceramics’ Alumina High Form Crucibles?

LSP Ceramics offers high-purity alumina crucibles in various sizes, tailored to meet the needs of these industries. Their products are carefully handled to prevent damage during storage and transportation, ensuring quality and reliability. With excellent thermal conductivity, chemical stability, and customizable dimensions, these crucibles are indispensable for professionals seeking contamination-free results in high-stakes applications.

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