... is LDPE,LLDPE. used for pack food,auto parts, hardware. Double-layer Co-extrusion Stretch Film Making Machine 1000Main material is ... ,LLDPE.Stretch film used for pack food,auto parts, hardware, building material. Performance and Characteristics: This unit uses LLDPE as main ... and adopts several kinds of resins to manufacture the single/double-side self-sticky stretch wrapping film. The film has good ...