Refractory and nozzle for casting

The present invention provides for long-term prevention of hydration (slaking) of CaO during a production stage, during storage, and during an operation stage in a refractory comprising a CaO component. That is, this refractory comprises refractory particles including a CaO component and refractory...

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Bibliographische Detailangaben
Hauptverfasser: MORIKAWA, KATSUMI, YOSHITSUGU, NAOMI, LI, LING, SASAKI, AKINARI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention provides for long-term prevention of hydration (slaking) of CaO during a production stage, during storage, and during an operation stage in a refractory comprising a CaO component. That is, this refractory comprises refractory particles including a CaO component and refractory particles including an MgO component, where a chemical component after heating in a 1,000°C non-oxidizing atmosphere contains 0.1-5.0 mass% in total of one or more species of metal oxide selected from B