| 摘要 |
PROBLEM TO BE SOLVED: To provide a tin oxide refractory inhibiting volatilization of SnOat a high temperature field in early step, and having both of high flexural strength at the high temperature field and high erosion resistance to glass.SOLUTION: There is provided a tin oxide refractory containing SnOand ZrOas essential components with the content of SnOand ZrOin the tin oxide refractory of 70 mass% or more and the percent content of ZrOto the content of SnOand ZrOof 11 to 30 mol%. |
