Brückner 3 layers BOPP / BOPET tenderframe plant

Number of layers 3
Film structure ABC
Material BOPP and BOPA
Output Max output on BOPP 1200 kg/h
Width (mm) 4200
Extruder 1 Description Layer A: Output 120 kg/h
Extruder 2 Description Layer B: 1300 kg/h
Extruder 3 Description Layer C: 120kg/h
Head description 2 extrusion dies, 1 for PP and 1 for PA
Thickness controll system Automatic thickness profile control .
Thickness gauges
MDO description stretching ratios on BOPP: min 1:1 - 1:7 on BOPA 1:1 - 1:5
TDO description stretching ratios on BOPP: min 1:8 - 1:9 on BOPA 1:2,8 - 1:4
Rewinder width 4200
Rewinder description Turret automatic winder, reel diam 1000mm

Slitter Make Fujitekko, width 4200mm, rewinder with
independent winding stations, each with couple of arms.,
with independent drive.
Center driven. Width range on winder: 325-2000mm.
max reel diameter on rewind 1000mm.
speed 600 m/min

Biaxially oriented polypropylene (BOPP) and Biaxially oriented polyester
(BOPET) are commonly produced in tender-frame lines.
In these lines material is melted through a flat extrusion die (T-die)
and solidified onto a cooled roller. Material is then stretched in
machine direction in an MDO. Thereafter material is stretched in
transversal direction in a TDO. These processes deliver a
molecule orientation in both axes, this enhances many of
their properties, particularly the mechanical, impact,
barrier and optical properties.