... 2.Used as crucible 3.Rock bottom price,high quality High purity alumina crucible Specifications Industrial Ceramic Crucible /Corundum Crucible ... up to 1800DC3.various volums available Features1.High purity: Al2O3≥99%, high chemical etching resistance;2.Temperature tolerance, at ... cold and hot, un-explosive;4.High density of slip casting, high purity alumina crucible5.Specifications of crucibles: 5ml ...