Bielloni Coex 3 Blown film plant

Number of layers 3
Film Width 1700

Extruder 1 Layer ref: A
Screw diam 1 55mm L/D30
Description 1 Gravimetric doser and blender Plast Control
(year 2011) 6 components

Extruder 2 Layer ref: B
Screw diam 2 75mm L/D30
Description 2 Gravimetric doser and blender Plast Control
(year 2011) 5 components

Extruder 3 Layer ref: C
Screw diam 3 55mm L/D30
Description 3 Gravimetric doser and blender Plast Control
(year 2011) 6 components

Head description IBC
Die diam (mm) 250mm
Thickness controll system Plast Control (year 2011)
Bubble cage Yes
Take off unit Rotaring take off
Corona treatment Ferrari & Benelli
Web guide yes
Rewinder Type Automatic
Note CHILLER IBC and air ring

Raw material most commonly used are
low density polyethylene (LDPE) and
High density polyethylene (HDPE).
These are often used in blends with
other polymers and additives.