Three-layer plastic co-extrusion film blowing composite machine unit is developed by our factory according to market demands, absorbs the advanced levels of like products at home and abroad in structure design, and can continuously blow various LDPE, HDPE, LLDPE, MLLDPE and packaging films which are 800/1,500mm in folding width and 0.08mm in thickness in a flat extrusion upper blowing method. The films produced can be widely applied to light and heavy packaging for various fresh fruits, meat food, pickles, fresh milks and liquid beverage due to good barrier property, moisture preservation and prevention, rain, wind and frost resistance, oxygen insulation and oil resistance..   

Features:

1. The machine head adopts a layering spiral core rod type to realize continuous 360°rotation.

2. The rapid filter screen replacing device has reasonable structure and reliable use, and is easy to replace filter screens.

3. The machine unit is equipped with various functional parts, such as length counting device, longitudinal cutting device, cooling water draining, nip rolls and edge cutting device.