... fire-resistant material, electric opponent, speaker, zirconium oxide (99.7%)1.Basic informationSynonymsZirconiumoxide;ZirconiaMolecularFormulaZrO2 MolecularWeight123.22 CASRegistryNumber1314-23- ... RiskCodesR36/37 Details SafetyDescriptionS26;S39 Details3.ApplicationMainly used for refining zirconium, producing fire-resistant material, electric opponent, speaker, ultrasonic detector ...