... a time (including paper layer, plastic layer and aluminum layer), Extrusion layer A,B/paper base material /extrusion layer C,D /interlayer aluminum ... layer E,F,G. High performance, low costs .High-barrier packing materials production line for milk and drink aseptic paper-plastic ... width600-1100mm Used base materialPaper(50-310g/square meter),plastic film, aluminum foil and so onUsed resinLDPE, PP, ...