Big league



The covered ground roll and aluminum electrode work in tandem to deliver a powerful corona discharge. An extended dwell time in the 2″ corona discharge area allows more efficient and thorough corona treatment of your nonconductive materials.

Little league



With reduced downtime and simplified upkeep, our covered roll corona treater is not only a powerhouse in performance but also a champion in hassle-free maintenance. The perfect balance of excellence and ease of use.

Patented Electrode Assembly for Superior Dyne Levels

Patented Electrode Technology

The patented electrode technology used in QC corona treaters ensures precise control over the level of corona discharge applied to the substrate, resulting in consistent and uniform treatment across the entire surface.

More info

Splice Detection with Pneumatics

By incorporating a splice detection feature, QC Electronics Covered Roll Corona Treaters provide a comprehensive solution for efficient and effective surface treatment of nonconductive substrates, even in challenging web handling conditions.

More info

Counterweighted Electrode Assembly

The cryogenically weighted electrode assembly consists of a specially weighted electrode that swings freely, allowing it to maintain contact with the substrate surface even when splices are present. This feature also allows easy access for maintenance.

More info

TNT Corona Treater


Expand your business opportunities by incorporating a QC Electronics’ covered roll corona treater into your plastic extrusion line. Our covered roll corona treater assembly utilizes patented technology, informed by a deep understanding of the underlying physics of surface tension, and is specifically designed for blown and cast film lines. With QC Electronics’ covered roll corona treater, you can confidently treat any nonconductive substrate and open up new potential markets.

Our automated corona treaters are engineered to maintain consistent treatment levels, regardless of line speed, ensuring reliable and high-quality performance every time. Trust in QC Electronics to deliver exceptional corona treatment solutions that meet your needs and exceed your expectations.

Take your production line to the next level

The Best Features

Our Promise

Guaranteed Performance

By guaranteeing surface energies and dyne levels, customers have peace of mind knowing that their materials will adhere properly and consistently. With guaranteed surface energies, QC customers can focus on the next big step in their production process, without worrying about the quality of the surface treatment.

To ensure the highest level of adhesion, QC Electronics employs rigorous testing processes to verify that the adhesive will bond properly with the substrate it is applied to. Our expert team collaborates closely with customers to coordinate adhesion verification, utilizing state-of-the-art testing equipment and techniques to ensure the most accurate and reliable results.

We take pride in offering exceptional customer service, including rapid response times, expert technical support, and ongoing training and education for customers on the use and maintenance of their corona treaters. Consistent, reliable operation is vital in our industry, and we ensure that daily.

Proud Members of