99% Alumina Rectangular Ceramic Crucibles with Lids – Multi-Size Lab Crucible Set

This high-purity 99% alumina (Al₂O₃) rectangular crucible set comes with matching lids and includes four different sizes to suit various laboratory and industrial high-temperature applications. Each crucible is made from premium alumina ceramic, offering excellent thermal stability, high mechanical strength, outstanding corrosion resistance, and superior thermal shock performance.

The included lids provide reliable protection during heating, sintering, or molten metal handling, reducing contamination and improving process consistency.

Available Sizes (Approx. Capacities):

1. Model 1 – 105-110 mL
2. Model 2 – 65-70 mL
3. Model 3 – 40-45 mL
4. Model 4 – 34-35 mL

Specification:

Key Features:

• 99% high-purity alumina (Al₂O₃) construction
• Rectangular design with tight-fitting lids
• Excellent high-temperature resistance and dimensional stability
• High mechanical strength and wear resistance
• Outstanding chemical and molten metal corrosion resistance
• Superior thermal shock performance
• Reliable electrical insulation at elevated temperatures

Applications:

• Laboratory experiments and sample processing
• Ceramic material sintering and research
• Electronic materials such as piezoelectric, dielectric, and PZT
• Battery materials and high-temperature energy materials
• Molten metal handling and thermal analysis
• Industrial furnace and high-temperature treatment

These alumina crucibles provide long-term durability and reliable performance across all processes that require a robust, thermally stable ceramic container. We also offer a wide range of crucibles in various shapes, sizes, and materials to meet diverse laboratory and industrial needs.