With high purity alumina, the crucible has a high quality and strong durability.<br> Professionally designed for research and chemical experiments.<br> High purity: Al2O3 >99%; chemical resistance<br> Good temperature resistance, Can be used at 1600°C for a long period, and at 1800°C for a short period.<br> Great resistance to sudden cooling and heat<br> Specification:<br> Material: alumina<br> Size Chart:<br> #1: 50ml<br> Inner caliber diameter: approx. 43mm/1.69'<br> Outer caliber diameter: approx. 50mm/1.97'<br> Height: approx. 52mm/2.05'<br> #2: 100ml<br> Inner caliber diameter: approx. 53mm/2.09'<br> Outer caliber diameter: approx. 60mm/2.36'<br> Height: approx. 67mm/2.64'<br> Package Includes:<br> 2 Pieces Alumina Crucible<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store