| 摘要 |
<p>The present invention provides a refractory composition having expansible powder consisting of alkali metal oxide and silicon oxide so as to be coated on a steel frame structure of a building or on a structure requiring fire prevention or fire resistance so that a decrease in the strength and durability of a building caused by high heat when fire occurs is prevented. The refractory composition of the present invention specifically comprises: 1 to 50 wt% of expansible powder consisting of silicate; 20 to 80 wt% of a silicate binder; 0.05 to 5 wt% of a stabilizer; and 0.01 to 10 wt% of fiber.</p> |
