| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light weight castable refractory material which is used for the inner lining of a melting furnace, a holding furnace, an accepting pan, a trough, etc. , which are in contact with aluminum and aluminum alloy melt, and capable of preventing the growth of "obake" (scafolding) and the pollution of the melt, and yet light and excellent in heat insulation. <P>SOLUTION: This light weight castable refractory material for aluminum and aluminum alloy melt contains 3-30 mass% calcium fluoride. <P>COPYRIGHT: (C)2007,JPO&INPIT |
