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Polymer Resin Pellets

Functional polymer films are used in a wide variety of applications, from packaging to window safety to light control and more. The desire for high quality polymers in a variety of applications means that demand continues to grow for higher standards of surface modification and adhesion.

Corona treatment for polymers is the ideal solution to provide this modification and adhesion. Many polymers are low surface energy materials, meaning that they don’t easily bond to each other or to other materials. 

Corona treatment increases the surface energy by applying a high voltage current to the material. This in turn creates ionized air, causing invisible changes to the material on the molecular level and increasing the polymer’s adhesion properties. Once treated, materials can be bonded together much more easily, improving the quality and durability of products. 

Corona treatment can be used on a wide variety of polymers, as well as most common substrates, including plastics and metals. It is also used in the production of a wide range of products, including packaging, optics, window treatment, and more.

Some examples of applications for corona treatment of polymers includes: Some examples of polymers which benefit from corona treatment include:
Automotive Bio-Films
Barriers ETFE
Biodegradable Packaging & Materials FEP
Conductive Materials HDPE
Construction LDPE
Insulative Materials LLDPE
Electronics PCTFE
Light Control PFA
Medical Polyamide
Packaging Polyester
Personal Care Polyimide
Safety & Security Polypropylene
Water Soluble Materials PS
Micro-Porous Materials PTFE/Teflon


Corona treatment is a useful and often necessary process for improving the performance of polymers. Besides improved adhesion, corona treatment for polymers provides benefits like:

  • Enhanced printability, making it easier to print on the surface of the material.
  • Improved surface cleanliness, which reduces the risk of contamination and other issues that can impact product quality.
  • Improved surface uniformity, which can result in more consistent coating thickness and improved product appearance.
  • Reduced need for primers, which can reduce costs and simplify the production process.

Corona treatment is an invaluable tool for manufacturers in a wide range of industries. If you’re interested in more information about corona treatment stations from Pillar Technologies, don’t hesitate to contact us today. Our team will work with you to determine the best corona treatment configuration for your needs.