Electric smelting lead corundum products is the raw material after melt completely, in the mold casting, made of after cooling and annealing. According to the divided into AZS Zr02 content - 33, AZS - 36, AZS - 41. By casting method is divided into ordinary casting (PT), tilt casting (OX), no shrinkage of casting (ZWS), no shrinkage of casting (WS) four types. According to the different use parts of brick or user requirements, adopt the corresponding mode of production.
