clear PP film machine

clear PP film machine machine adopts bottom blowing type to produce PP plastic film,the screw made of 38CRMOALA. 1.This PP machine adopts bottom blowing type to produce polypropylene plastic film with good transparency.2.This screw material cylinder is elabroately made of 38CRMOALA after nitrogen treatment and has best rigidity and corosion resistance,. The die is plated with hard chromium3.The coiling device adopts torque motor or friction to keep proper tension with even rolling and convenient roll replacing.