{"Insulator":"Magnesia(MgO)","MinimumPurityPerct":99.4,"MeltingPointC":2800,"MeltingPointF":5072,"ApproximateUsableTemperatureC":1650,"ApproximateUsableTemperatureF":3000}
{"Insulator":"Alumina(AI2O3)","MinimumPurityPerct":99.5,"MeltingPointC":2030,"MeltingPointF":3686,"ApproximateUsableTemperatureC":1650,"ApproximateUsableTemperatureF":3002}
{"Insulator":"Zirconia(ZTO2)","MinimumPurityPerct":99.4,"MeltingPointC":2420,"MeltingPointF":4388,"ApproximateUsableTemperatureC":650,"ApproximateUsableTemperatureF":1202}
{"Insulator":"Beryllia(BeO)","MinimumPurityPerct":99.8,"MeltingPointC":2570,"MeltingPointF":4658,"ApproximateUsableTemperatureC":2315,"ApproximateUsableTemperatureF":4200}
{"Insulator":"Thoria(Th02)","MinimumPurityPerct":99.5,"MeltingPointC":3050,"MeltingPointF":5222,"ApproximateUsableTemperatureC":2500,"ApproximateUsableTemperatureF":4532}
{"Insulator":"Hafnia(Hrc)2)","MinimumPurityPerct":99.8,"MeltingPointC":2900,"MeltingPointF":5252,"ApproximateUsableTemperatureC":2000,"ApproximateUsableTemperatureF":3632}
{"Insulator":"Yttria(Y203)","MinimumPurityPerct":99.8,"MeltingPointC":2410,"MeltingPointF":4370,"ApproximateUsableTemperatureC":2000,"ApproximateUsableTemperatureF":3632}