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Alumina Crucibles

Alumina Crucibles

Alumina Crucibles
Product No NRE-47019
CAS No. 1344-28-1
Formula Al2O3
Molecular Weight 101.96 g/mol
Purity 99.9%
Density 3.5 to 4.1 g/cm3
Melting Point 2040 °C
Boiling Point 2,977° C
Shape Crucible
Electrical Resistivity 7 to 14 10x Ω-m
Electronegativity NA

Alumina Crucibles

Introduction:

Alumina crucibles are high performance containers made from aluminum oxide (Al₂O₃), commonly known as alumina. They are known for their excellent thermal stability, chemical resistance, and mechanical strength, making them ideal for various high-temperature applications. Alumina crucibles can withstand extreme temperatures without deforming or reacting with the materials they contain, making them essential in laboratories and industrial settings.

Applications

Metallurgical Processes:

Used in the melting and casting of metals and alloys due to their ability to withstand high temperatures and resist chemical reactions with molten metals.

Ceramics and Glass Industries:

Employed in the production of ceramics and glass, where they are used for melting raw materials or firing products at high temperatures.

Laboratory Applications:

Commonly used in laboratories for various analytical procedures, including as containers for high-temperature reactions, ash content determination, and materials testing.

Sample Preparation:

Utilized in sample preparation for spectroscopy, where the purity and thermal stability of the crucible are critical for accurate results.

Sintering:

Applied in the sintering of ceramic and composite materials, where controlled heating is essential for achieving desired properties.

Pharmaceuticals:

Used in the pharmaceutical industry for high-temperature processes, such as the preparation of certain active pharmaceutical ingredients.

Catalysis:

Employed in catalytic processes where high thermal resistance and inertness are required, ensuring no contamination of the catalyst.

High-Temperature Research:

Utilized in research and development applications, particularly in materials science, where high temperatures and inert environments are necessary.

 

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