2015 Hot cheap and high quality slag stopping ball to reduce the raw material consumption

The principle of slag stopping ball is:its density is between the steel density and slag density(usually 3.8g/cm3-4g/cm3).before the tapping ends it is released by the mechancial arm and it sinks to the taphole mouth,therefore blocking the slag.the method is simple as its structure,and the cost is low while it reduces the raw material consumption .