| 摘要 |
PURPOSE:To provide carbon-containing refractory having excellent oxidation resistance and high heat strength without damaging existing characteristics of carbon-containing refractory. CONSTITUTION:A refractory raw material comprising 3-40wt.% of a carbon raw material and the rest of refractory raw material such as oxide or carbide is mixed with 0.1-8wt.% of magnesium borate by outer percentage, Metal powder such as At, Mg or Si may be used besides the refractory material. |
