230x114x75 Sk34 Refractory Fire Clay Bricks For Furnace Exporting .
Cold crushing strength/ Mpa: . Made by flint clay clinker and binder,through Crushing,Mixing,Shaping . Refractoriness is 1580 1750°C, refractoriness under load is 1250 1450°C, line expansion coefficients is low, with . Blast furnace,hot blast furnace(stove),pellet shaft furnace,hot metal ladle,steel ladle,tundish,eating.