1Excellent thermal quench 2thermal conductivity and properties 3Bore density: 20, ... with excellent thermal quench, thermal conductivity and thermal properties. They are widely used in the field of aluminum melting ... etc.Size: 380x380mm, 408x408mm, 435x435mm, etc.Type of tap hole cones: large, medium, small. Tap ... , and related equipment. Since the establishment of our factory in 2003, we have supplied ...