Extrusion Line Corona Treater

Extrusion Line Corona Treater

Corona Treater on Blown Film and Cast Film Extrusion lines is essential in order to attain a perfect surface tension prior to the converting processes like printing/lamination/coating. Without Corona Treatment the extruded substrates will not allow further converting processes due to low surface tension

As a film manufacture you require reliable corona treatment equipments that can easily be maintained, be segment set-up and run production nonstop. These are key-points for a Corona treater on an extrusion line. The ElectroTech Industries Corona treaters are designed for our customers with the customer’s challenges in mind. We focus on equipments that will make your production run smoothly with uniform dyne level and no unplanned stops.

The ElectroTech Industries Corona treaters for extrusion line will provide higher dyne level on your materials due to the combination of ultra-efficient generators and superior treatment station design. The advanced electrode design eliminates fluctuations in dyne levels across the web width and furthermore guarantees no undesirable backside treatment.

The ElectroTech Industries treater stations are all made with the unique designs that allow the operators to perform segment set-up and maintenance within minutes – thereby providing maximum production time for your extrusion line.


Treatment Width 400mm-4000mm
Line Speed up to 120mtr./min
Electrodes Aluminium / Stainless Steel
Treatment Sides 1, 2 or 4
Roll covering Silicone Sleeve
Roller Diameter 50mm-200mm
Types of Extrusion Lines Blown / Cast/ Stretch / Sheet

Salient Features

  • Corona Treater Rollers covered with high dielectric grade silicone sleeves
  • Pneumatically actuated treating heads / Split Assembly for easy threading of the films.
  • 1dler rollers at film entry & exit to ensure proper wrap angle of film with treater roller.
  • Easy Inline air gap adjustment with knobs provided externally on the ducts
  • S.S. Braided double dielectric sheathed high tension cable to ensure safety
  • Dynamically and statically balanced rollers.
  • Proximity switch for zero speed sensing & closed loop feedback for Auto watt density control.
  • Assembly open safety switch for human safety
  • Rigid cross members and electrode holding bars to ensure uniform and parallel air gaps

Optional Features

  • Silicon or Ceramic-coated Treater Rollers
  • Stainless steel rod type fixed electrodes
  • Air gap adjusters with digital readout