Macchi 3 layers blown film extruder

Number of layers 3
Film structure ABC
Material LDPE, MDPE, LLDPE
Film Width 1700

Extruder 1 Layer ref: A
Screw diam 1 60
Description 1 Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components

Extruder 2 Layer ref: B
Screw diam 2 80
Description 2 Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components

Extruder 3 Layer ref: C
Screw diam 3 60
Description 3 Screw year 2015 . Gravimetric doser and blender Doteco blendo 4 components

Head description IBC, air ring Karat with automatic
Thickness profile control Y 2019 .
Ultrasonic sensors.
Head 2015

Die diam (mm) 350 and 280
Thickness controll system K design Karat 2019
Bubble cage with ultrasonic sensors for auto width control
Corona treatment AFS
Web guide Yes

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.