The corundum crucible features excellent thermal stability, allowing it to withstand high temperatures without cracking or deforming. Its compact design and sturdy construction make it suitable for controlled experiments in tube furnaces, lab furnaces, and jewelry casting setups. The lid enhances safety during use. Features -Color:Beige -Material:Alumina -Size:6.20X3.00X2.30cm/2.44X1.18X0.90in -thermal stability: for high temperature lab experiments, ensuring accuracy and reliability in scientific research -Durable against corrosive environments: resistant to acids and alkalis, prolonging the crucible's life and reducing replacement costs -Protective lid: keeps samples uncontaminated during experiments, ensuring dependable and accurate results -Flexible design: shape accommodates diverse experimental needs, enhancing adaptability in the lab -Efficient heat distribution: made from alumina, it provides even heating, facilitating effective and efficient experiments Package list: 1 x corundum crucible