Brückner BOPP / BOPET tenderframe plant

Ref : 2093698-6-CP
Condition : Used
Manufacturer : Brückner
Model : BOPP / BOPET tenderframe plant
Year(s) : 1993
Quantity : 1
Location : Seller or machines location:
EUROPE (Western and Northern)
Last check : 01 May. 2020

Number of layers 1
Material BOPP
Width (mm) 6000
Head description 1A912 -7 heating zones -gap adj- 1,7 to 3,5 mm Die adapter block
Die width 912 mm
Thickness controll system Thickness control with Evolution Strategy (TCE)
Chill roll unit :
Double shell with spiral channels working width 1000 mm diam 1750 mm width 1200 mm
Pinning airknife -nip roller 300 mm
MDO description Preheating station: consists of 12 preheating rolls diam. 614 mm each
TDO description Transverse Direction orienterFeeding width range: 650-850 mm; max stretch width 7200 mm; exit width range 6200-6700 mm
Flame treatment Gas flame treater unit
Pull roll unit Web width after edge trimming: max 6200 mm; roll face width 6600 mm
Rewinder description Automatic turret winder
Slitter Slitter trim recycling - speed 800 m/min - max width 2x100 m
Additional information Cascade Main Extrusion Metering extruder, barrel diameter 225 mm Melting extruder output: 2200 kg/h, barrel diam. 175 mm

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.

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