AC9856 Alumina Crucible, Al2O₃ Crucible Square, 99%, 720 mL

Alumina Crucible, Al2O₃ Crucible Square, 99%, 720 mL Description

Alumina Crucible, Al2O₃ Crucible Square, 99%, 720 mL is a ceramic container engineered using high-purity α-alumina. The 720 mL capacity supports processing tasks that require stable volume tolerance while the tensile strength (~262 MPa) and compressive strength (~2 068 MPa) ensure structural integrity under thermal stress. Its thermal conductivity of 30 W/(m·K) and high volume resistivity (>10^14 Ohm·cm) enable precise thermal management and electrical insulation in laboratory and industrial settings.

Alumina Crucible, Al2O₃ Crucible Square, 99%, 720 mL Applications

1.       Industrial Processing
   - • Used as a reaction vessel in high-temperature sintering furnaces to achieve consistent batch processing by utilising its controlled density and thermal management properties.
   - • Applied as a casting mould in metallurgy to maintain uniform heat distribution by utilising its defined dimensions and mechanical strength.

2.       Analytical Laboratory Processes
   - • Used as a sample holder in thermal analysis equipment to achieve accurate temperature control by utilising its high operating temperature and chemical inertness.
   - • Applied as a crucible in acid digestion procedures to preserve sample integrity by utilising its stable chemical composition and high density.

Product Comparison

Alumina Crucible, Al2O₃ Crucible Square, 99%, 720 mL Packing

The crucible is secured in a protective packaging system featuring acid-resistant wrapping and anti-static barriers to reduce contamination risks and mechanical impacts. It is stored in a sealed, moisture-controlled container to prevent degradation. Packaging options include foam inserts and customised labelling, ensuring safe transportation and long-term preservation under specified storage conditions.

Frequently Asked Questions

Q1: What maintenance procedures are recommended to preserve the crucible’s performance under cyclic heating conditions?
A1: It is advisable to perform a gradual heating and cooling cycle to minimise thermal shock. Routine cleaning with non-abrasive agents and inspection using optical techniques can help detect microcracks early and extend the crucible’s operational lifespan.

Q2: How does the specified thermal conductivity enhance its functionality in processing applications?
A2: The thermal conductivity of 30 W/(m·K) facilitates uniform heat distribution, reducing temperature gradients. This property is critical in processes that require controlled thermal environments, thereby minimising process variability and thermal-induced stress.

Q3: Can the crucible be customised to meet specific industrial requirements?
A3: Yes, customisation options such as tailored volume, surface finish, and packaging configurations are available. Customers can discuss specific technical needs, allowing adaptations that optimise compatibility with unique processing environments.

Additional Information

Alumina ceramics, primarily composed of Al₂O₃, are widely used in high-temperature applications due to their chemical inertness and excellent thermal stability. Their microstructure, formed through controlled sintering, ensures that mechanical and thermal properties are maintained even under demanding conditions. This makes them invaluable in both industrial and laboratory settings.

The performance of alumina depends on strict control over purity and density. Research in ceramic materials continues to refine processing techniques, enhancing properties such as fracture toughness and thermal conductivity. These advancements support increasingly precise applications in fields ranging from metallurgy to analytical chemistry.