Application: MIBC is an excellent foaming agent for nonferrous metals and non-metallic minerals. As a foaming agent, it is mainly used in the flotation of non-ferrous oxide ore and the separation flotation of fine sulfide ore with large mud content. It is widely used in the mineral process of lead-zinc ore, copper-molybdenum ore and copper-gold ore all over the world, and is particularly effective in improving concentrate quality.