film blowing machine
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The machine is used to blowing the plastic fims by the material of LDPE or HDPE. It had been applied extensively in the productions of foodstuff bags, purchase bags, inner packing bags of the plastic woven sacks & agro-field films. The material of LDPE or HDPE can produce the plastic films on the shape of circular cylinder after been heated, extruded, blown, drawn & winded.
The cylinder & screw of the extruder are made by alloy steel of 38CrMoALA after the treatment of Nitric.
The extruder and drawing parts are controlled by step less speed charge device.