... for extrude multi layer 2-7 layers bubble film from new or recylced LDPE, LLDPE which be good specification Air bubble film machine is ... aluminum foil and aluminum film and EPE foam, and 3 and 2 layers bubble film 2. Suitable for a wide spectrum of ... materials, including LDPE, LLDPE, and recycled PE 3. Can produce films with various bubble sizes from dia6 -32, by changing the roller ...