... , 40, 50 PPi, etc.Size: 380x380mm, 408x408mm, 435x435mm, etc. Tap hole cones are temperature-resistant silicate fiber products used to block ... melting furnaces.Designed to suit customers requirements. Type of tap hole cones: large, medium, small. Zhongnan Machinery specializes in producing aluminum ... ,Interthai Manufacturing Co., Ltd Ceramic Filter Brick for aluminum casting machine