Zirconia (ZrO2) can withstand the high temperature up to 2200°C and has very good resistance to chemical erosions and thermal shock. 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. Property: Purity: Y—ZrO295?Ca—ZrO2?Mg—ZrO2 Density: 6.01Compressive Strength:2600MPA Flexural Strength: 900MPA Thermal Shock: good Max service temperature: 2200℃