High oxygen storage and rapid oxygen release, aging resistance, low ignition, customizableAutomotive exhaust catalysis, industrial divestment, and VOCs control| Cerium Zirconium Oxygen Storage Material | ||||
| Items | Specification | |||
| Medium Ce medium Zr series | High Zr series | High Ce series | ||
| Main elements % | CeO2 | 40-50 | 30-40 | 50-80 |
| Zr(Hf)O2 | 40-50 | 50-75 | 20-40 | |
| Doped elements % | Nd2O3 | 0-5 | 0-5 | 0-5 |
| Pr6O11 | 0-5 | 0-5 | 0-5 | |
| La2O3 | 0-8 | 0-5 | 0-5 | |
| Y2O3 | 0-5 | 0-5 | 0-5 | |
| Impurity content % | Na2O | <0.015 | <0.015 | <0.015 |
| SiO2 | <0.02 | <0.02 | <0.02 | |
| Fe2O3 | <0.015 | <0.015 | <0.015 | |
| Cl- | <0.01 | <0.01 | <0.01 | |
| SO42- | <0.03 | <0.03 | <0.03 | |
| Physical index | SA(Fresh)m2/g | 40-90 | 60-90 | 60-90 |
| SA(aged,1000℃/4hr)m2/g | >40 | >40 | >40 | |
| LOl% | <5 | <5 | <5 | |
| D50 um | 3-5 | 3-5 | 3-5 | |
| Note: The composition, fresh BET, and particle size can be adjusted according to customer needs | ||||
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