Zirconia crucible used for melting metals such as platinum, Max uses temperature:2300 Density:6.01g/cm3 Zirconia (ZrO2) can withstand the high temperature up to 2300°C and has very good resistance to chemical erosions and thermal shock. The Zirconia crucible is ideal for the melting of precious metals and super-alloys. Zirconia crucibles are available in many sizes and shapes. Call for any custom production request..