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PW70

Stretch cling

Worldwide reference

THE WORLDWIDE PIB MASTERBATCH

  • Specialty Cling Masterbatch
  • Main active agent : Polyisobutylene
  • Carrier : Polyethylene-based
  • Non-Sticky / Free-Flowing Pellets
  • Outstanding Cling and tackifying Properties
  • 3 Commercial Grades​​
  • Supplied by Polytechs & Its partners/ distributors – 30 years of Experience in Stretch Cling Films

PW STORY

The PW product range is the Pioneer & Worldwide Market leader of Cling Masterbatches for over 30 years.  

Polytechs, the producer of PW, is the holder of an unique liquid injection technology – allowing Liquid Polyisobutylene integration at more than 70% within a solid Polyethylene matrix – rementing in free flowing pellets and providing various technical properties recognized by the whole stretch film industry; cling strenght (peel and lap), film clarity…

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  • Effects
  • Benefits
  • Cling performances
  • Properties

PW70 specifications

Compatible processing modes

Cast film

In the Cast Film process, the molten polymer is usually extruded through a slot die onto an internally cooled chill roll and then passes through a series of rollers which will determine the nature and properties of the cast film including thickness.

Blown film

The process involves extrusion of a plastic through a circular die, followed by “bubble-like” expansion.

Effects

Strong lap cling properties, down to 20% less in dosage vs PW60/ standard cling masterbatch.

Two times, more performance than polyolefin elastomers with tackifying properties and than plastomers.

Main cling effects

  • LAP CLING STRENGTH/ FORCE

Secondary cling effects

  • LOWER NOISE WRAPPING

Lowest noise level of polyisobuthylene masterbatch grades.

SIDE BENEFITS

  • O2 permeability resistance
  • Fast tack / cling effects, very sensitive to storage temperature.

Market applications

PW
PW cling masterbatch
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