... is an 3 layer Co-extrusion Film Blowing Machine, with high output, stable performance.Feature: 1, Joint squeezing ... various functional parts on the spot, such as corona treating machine, device of drawing side in and so on. 5, ... raw materials: LDPE, HEPE, LLDPE, EVA, polymer of PP ion body.6, Suitable film blowing structure: ABA, ABC, ABB, AB ... . SJ3 Series 3 layer Co-extrusion Film Blowing machine