2 layers air bubble film machine is a type of machinery that makes the use of an Archimedean screw rotating in a heated barrel, to manufacture the 2-layer bubble film. 2 layer bubble film extruder primarily consists of an extruding unit, a forming unit, a winding unit, and an electrical control unit. Generally speaking, the LDPE, LLPDE and recycled materials, and others are the raw materials for producing 2-layer bubble film.