| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an effective fireproofing material for spray-repairing, which is used in a section for which the strong slag erosion resistance is required, such as a slag line part of the blast furnace main gutter. <P>SOLUTION: The fire proofing material for spray repairing to the slag line part of the blast furnace main gutter is characterized by containing 15-40 mass% of Al<SB>2</SB>O<SB>3</SB>-SiC-C type fireproofing material grain as aggregate containing 50 mass% or more of SiC therein as the whole content, of which the particle size is 10 mm or less. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
