Description Crafted from sturdy alumina, this corundum crucible with a lid is designed for precision and durability. Its semi-circular and rectangular shapes provide versatility for various laboratory and industrial applications. The smooth surface ensures efficient heat distribution, making it ideal for melting, smelting, and refining processes. Features -Color:Beige -Material:Alumina -Size:6.20X3.00X2.30cm/2.44X1.18X0.90in -High temperature stability: ensures precise results in high temperature laboratory experiments, making it ideal for rigorous scientific research -Acid and alkali resistance: extends the lifespan of the crucible, reducing the frequency of replacements and ensuring long term use -Lid design: keep sample clean during experiments, enhancing the reliability of experimental outcomes -Versatile ark style: meets the needs of various experimental scenarios, increasing flexibility in laboratory settings -Alumina material: offers excellent thermal conductivity for uniform heating, promoting efficient experimental processesPackage list: 1 x corundum crucible