PE air bubble film making machine 1.adopt LDPE as material , 2.film main used ... 1620mm2,number of the extrusion sheets: 2 tiers3,max. making width: 1500mm 4,heating section: 5 areas5,heater: Cast ... changerC,Formation mold: Thickness of chromium plating: 50um1,Max. making width: 1500mm 2,way of the molding: Vacuum negative pressure3 ... electricity connect 1pc 2 Layers PE Air Bubble film making machine