Techno Double Bubble Bi-oriented extrusion line

Number of layers 5
Film structure A/B/C/B/D five layers 15%-10%-50%-10%-15%
Material POF, Thickness range: 15 to 30 microns
Film width (mm) 2500
Extruders Extruder A - Screw diameter 65mm, Gravimetric dosing unit Extruder B - Screw diameter 50mm, Gravimetric dosing unit
Extruder C - Screw diameter 100mm, Gravimetric dosing unit
Extruder D- Screw diameter 65mm, Gravimetric dosing unit
Head 5 layer extrusion die
Stretching nip roll on a rotating platform
Rewinder two simetrical winder with GAP control
Max line speed : 120 m/min 1 water tank for primary tube cooling
One complete orientation tower including : tower Nip roll ,
Primary tube Pre-heating IR oven , Orientation oven by IR ,
set of cooling ring , collapsing board
Complete with thickness control system
Complete with water tank for thermoregulation

Material is stretched in machine in a transversal direction simultaneously.
This processe delivers a molecule orientation in both axes,
and this enhances many of their properties.