Calcium stabilizes zirconia board

Calcium-Stabilized Zirconia Ceramic Plate
‌Chemical Composition‌

Total content of zirconia (ZrO₂) and hafnia (HfO₂) ≥94%, with calcium oxide (CaO) content maintained at 4.5-5.0%. Impurities (Fe₂O₃, SiO₂, etc.) are strictly controlled within 0.1-0.4%8.
High purity and precise stoichiometry minimize reactions with free-state reactive substances (e.g., silica, iron oxide) at elevated temperatures, preventing surface contamination1.
‌Thermal Performance‌

Long-term operational temperatures reach 2200–2300°C, with a refractory rating ≥2500°C8.
Calcium stabilization effectively suppresses zirconia crystal phase transitions (monoclinic ↔ tetragonal ↔ cubic), eliminating cracking risks caused by volumetric changes during phase transformations

Calcium-Stabilized Zirconia Ceramic Plate

Chemical Composition

  • Total content of zirconia (ZrO₂) and hafnia (HfO₂) ≥94%, with calcium oxide (CaO) content maintained at 4.5-5.0%. Impurities (Fe₂O₃, SiO₂, etc.) are strictly controlled within 0.1-0.4%8.

  • High purity and precise stoichiometry minimize reactions with free-state reactive substances (e.g., silica, iron oxide) at elevated temperatures, preventing surface contamination1.

Thermal Performance

  • Long-term operational temperatures reach 2200–2300°C, with a refractory rating ≥2500°C8.

  • Calcium stabilization effectively suppresses zirconia crystal phase transitions (monoclinic ↔ tetragonal ↔ cubic), eliminating cracking risks caused by volumetric changes during phase transformations



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