Features 1, This machine uses stainless steel heating elements. Shrinking temperature and conveyor speed is adjustable and stable for using frequency inventor. Finished articles can be sealed, moisture-proof, anti-collision. 2, General-purpose application of PE, POF, PVC. 3, Conveyor unit has mesh belt type and rod-shaped chain type for your choice. 4, Heat shrink tunnel, intelligent digital temperature controller, closed heated air circulation. Model SF-4535E SF-6040E Power Supply 12kw 380V 50Hz 18kw 380V 50Hz Tunnel Size(L× W× H) 1500× 450× 350mm 1800× 600× 400mm Packing Speed 4000~6000pcs/hour 4000~6000pcs/hour Machine Size(L× W× H) 2800× 670× 1455mm 3200× 715× 1455mm Weight 385kg 580kg