摘要 |
<p>A refractory coating material comprising cement as the matrix, which is significantly improved in fire resistance or both of fire resistance and durability. The first invention relates to a mixture of 100 parts by weight of cement with 5 to 35 parts by weight of lime, 5 to 35 parts by weight of gypsum, and 5 to 35 parts by weight of aluminosilicate gel, while the second invention relates to a mixture of 100 parts by weight of powdery material, prepared by mixing 100 parts by weight of cement with 5 to 35 parts by weight of lime, 5 to 35 parts by weight of gypsum and 5 to 35 parts by weight of aluminosilicate gel, with 50 to 300 parts by weight of ceramic balloon, 10 to 40 parts by weight of ceramic fiber, and 5 to 20 parts by weight in terms of solid content of synthetic resin emulsion.</p> |