1. High Thermal Stability:Alumina crucibles excel in maintaining structural integrity at elevated temperatures, withstanding heat up to 1600°C or higher depending on specific grades and formulations. 2. Chemical Inertness: Resistant to most acids, bases, and solvents, alumina crucibles provide a non-reactive environment essential for handling reactive substances and conducting precise chemical reactions. 3. Mechanical Durability: With superior mechanical properties, including high hardness and abrasion resistance, alumina crucibles exhibit remarkable resilience to physical stress, ensuring longevity and reliability in laboratory operations. 4. Uniform Heating: Their excellent thermal conductivity promotes uniform heating distribution, essential for consistent experimental results and minimizing temperature differentials within the crucible.

1. High heat resistance: Alumina crucibles can withstand extremely high temperatures, typically up to 1700 ° C, without degradation. 2. Excellent chemical stability: Alumina crucibles can resist reactions with most acids, bases, and gases even at high temperatures. This characteristic ensures the purity of the processed material inside the crucible. 3. Excellent mechanical strength: Alumina crucibles have excellent mechanical strength and toughness, which enhances their durability and enables them to resist thermal shock and mechanical stress. 4. High corrosion resistance: Alumina crucibles are highly resistant to corrosion from molten metals, salts, and slag, making them an ideal choice for metal melting and refining applications. 5. Electrical insulation: Alumina crucibles have high electrical resistivity. 6. Low thermal expansion: Alumina crucibles have a low coefficient of thermal expansion, which can minimize the risk of cracking or deformation under extreme temperature changes, thereby improving their lifespan and reliability.