Refractory Product Slag Stopper Ball

We are offering refractory product slag stopper ball. 1. Used for stop slag of converter when the steel tapping.easy to use, high efficient and saving energy. 2.compared with traditional stopping ball,can be get more 100-300kg molten steel for each batch. 3. This produce with fine material,reasonable sorting,it is an ideal new and energy-saving product. 4. Slag stopper size at φ15-30cm,can be custom make as per client requirement on the stopper with specific size and shape.