Four seasons fire refractory company production of iron groove with AL203 - SiC - C quick-drying pouring material quality by optimizing the grain size distribution and quick-drying agent, give good exhaust resistance to castable, can reduce the vapor pressure of the construction of the body, can be quickly after demoulding of the castable baking and not burst, shorten the baking time. At the same time the castable keep vibration castables with the mobility and durability, but greatly shorten the time of the furnace before repair ditch, avoid the influence due to flow out of the iron ditch ironmaking production. This product is especially suitable for more than 1000 m3 but only two of the taphole blast furnace iron groove main ditch's build lining and repair.