Rajoo Made in India

Heptafoil

Heptafoil 7 Layer Co-Extruded Blown Film Line

Heptafoil lines are built to order for demanding packaging such as edible oil and UHT milk film, container liners, lidding, frozen food, meat and vacuum packaging. The layers are combined in Rajoo's bottom-fed CSD cylindrical spiral die, and a FlatEX reversing haul-off before the nip roll reduces bow and improves flatness on thin film. Symmetrical and asymmetrical structures can be produced, with a water bath available for annealing.

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Quoted with delivery, installation and operator training.

Specifications

Film layers
7
Maximum output
1500 kg/h
Lay-flat width
1500-4500 mm
Die
CSD cylindrical spiral die, bottom fed, hard chrome-plated melt channels
Extruder drives
Direct-coupled motors, fluid temperature control on grooved feed section
Screen changer
Manual or hydraulic
Haul-off
FlatEX reversing haul-off before the nip roll
Winder
Fully automatic center-gap-surface winder
Automation (available)
Gravimetric blending and dosing, non-contact IBC, automatic thickness control with capacitive or gamma backscatter sensor

Manufacturer data. Options and exact configuration are confirmed in your quote.