The absorbing blower will convey the material to the cyclone hopper on the top of Label separator, and the material will fall down by gravity. The inner structure of Label separator is designed as “ Z “ type so that the falling down material will be dispersed along the “Z” type. The absorbing blower on the top will absorb and collect the impurities like label, powder etc. which is light. After the air sorting, the clean flake will be conveyed to the storage.