| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the adhesive properties in a granulation spraying material used for a dry type spraying method, and the denseness of the body subjected to the operation. <P>SOLUTION: The magnesian repairing material for a dry type spraying operation has a refractory blend composition of: magnesia granulated particles of 60 to 90 mass% obtained by granulating magnesia powder in which the particles having a particle diameter of ≤0.5 mm are comprised by at least 70 mass% so as to be ≤3 mm with a liquid dispersant, and thereafter, performing drying; magnesia powder with a particle diameter of 5 to 1 mm by 5 to 35 mass%; and alumina cement. <P>COPYRIGHT: (C)2007,JPO&INPIT |
