FIREPROOF SHIELDING MATERIAL

摘要

PURPOSE: To obtain a low-cost fireproof shielding material having satisfactory heat and thermal shock resistances with high productivity. CONSTITUTION: Ceramic fibers are added by 2-6 pts.wt. to 100 pts.wt. mixture consisting of 50-70 pts.wt. Portland cement, 20-40 pts.wt. fireproof aggregate and 5-15 pts.wt. sand, water and a water-reducing agent are further added and they are kneaded and molded.