Feature: 
 It is used for blowing the various low density polyethylene(LDPE)and high density polythlene(HDPE)colour striped plastic film,etc,which are widely used for packing food,fruit,garments, textile,dailly necessities and other civil and industrial products. The cylinders and the screw stems of model SJ-40Dx2 extruder are made of high -quality alloy steel with optimum hardness and strong corrosion resistance after precision finishing and nitrogen treatment. SJ-600 the auxiliary machine can be freely adjusted within the limits of 700mm according to the technological requirements of different materials,and has is fitted with a plug-in plate mechanism for making vest bag. The coiling unit adopts torque motor to keep proper tension and make rolling even and roll-changing easy.

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