SJ-50/60B zipper bag film Blowing machineUsage:This film blowing machine is specially designed to blow zip lock bag film. It adopts the spiral die heads to blow out the film and the zipper strip at the same time; it can make different kinds of normal zip lock bags, slider zip lock bags and other kind of zip lock bag according to the customers’ various special requirements.It is characterized by simple structure, easy operation, attractive appearance, high automation and good control performance.Characteristics:1. SJ-50-B is an improved type of SJ50A. It is specially designed in order to be suitably used in the regions where having higher temperatures during the whole year.2. On the basis of SJ50A, SJ50B increases the vane cooling device and heat output device on the screw part.3. The other features of SJ50 B are the same as the SJ50A.Main Technical ParametersModelSJ-50BSJ-60BMaterialLDPELDPESpeed8-25KGS8-30KGSWidth of bag80-400m100-580mmThickness of film0.03-0.22mm0.03-0.22mmScrew diameter50mm60mmScrew ratio28:128:1Heater10kw13kwPower11kw15kwOverall dimension(L-W-H)5200x1600x5200mm5800x1800x5200mm