... up blown. The film has good in solution, for instance holding temperature, anti-humid, anti-breeze, ... , oil resistive, and so used for light and heavy-duty packaging, for example fresh fruits, meat-feeding, ... device5. Manual Mechanics Screen Changer 6. Die Rotary Device Main ParameterMODELSD-3L45SD-3L50SD-3L55Suitable MaterialsLDPE LLDPE ... 2 three-layer Co-extrusion Rotary Die-head film blowing machine