| 摘要 |
PROBLEM TO BE SOLVED: To provide a prepared unshaped refractory which contains no chromium oxide and no alumina cement and shows excellent corrosion resistance to alkali and chlorine. SOLUTION: This prepared unshaped refractory consists of 83-95% of refractory particles and 5-17% of a binder, wherein: the refractory particle component has a 3-15% content of zircon particles and a 85-97% total content of magnesia particles and spinel particles; and the binder component contains >=25% of hydraulic alumina. |
