Product Description Uses: It is used for blowing the various plastic film c, Which are widely used for packing food, fruit, garments, textile, dailly necessities and other civil and industral products. Characteristics: 1. The cylinders and the screw stems of model SJ-45*2 extruder are made of high-quality alloy steel with optimum hardness and strong corrosion resistance after precision finishing and nitrogen treatment. 2. 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.

