Table of Contents
Understanding Corona Treatment

Corona treatment is a process that enhances the surface energy of materials, particularly plastics like PET (Polyethylene Terephthalate) film. This technique involves exposing the film to a high-voltage electrical discharge, which creates reactive sites on its surface. These sites increase wettability and improve adhesion properties, making it easier for inks, coatings, and adhesives to bond effectively.
| Operational Temperature | operating range of -20°C to +120°C in normal settings |
| foam thickness | 0.05 millimetre |
| Name | high-performance PET plastic films properties explained film Pure Silicone Adhesive film |
| Stretchability | capable of more than 100% elongation |
| Standard Roll Width | 1020 millimetre |
| Length | Typically 200m per roll |
The primary goal of corona treatment is to modify the surface characteristics without altering the bulk properties of the material. For PET films, this means achieving a higher degree of adhesion with various substrates and coatings, which is crucial in applications such as packaging, labeling, and electronics. By improving adhesion, manufacturers can ensure better performance and longevity of products.
Benefits of Enhanced Adhesion Properties
Improved adhesion properties lead to several advantages in manufacturing and product performance. For instance, in packaging applications, better adhesion means that printed graphics and labels are less likely to peel or fade over time. This durability is essential for maintaining brand integrity and ensuring that products remain visually appealing to consumers.
Moreover, enhanced adhesion can also improve the overall functionality of PET films. In industries such as electronics, where PET is often used as an insulating layer, strong adhesion can contribute to better performance and reliability of devices. This results in lower production costs and reduced waste, as fewer defects occur during the manufacturing process.
Applications in Various Industries
Corona-treated PET films are widely used across multiple industries, ranging from food packaging to automotive components. In the food industry, the improved adhesion properties facilitate better sealing and printing capabilities, which are vital for maintaining freshness and ensuring compliance with safety standards.
In the automotive sector, corona-treated PET films are utilized for interior components and displays, where adhesion plays a critical role in the assembly process. The ability of adhesives to bond effectively to corona-treated surfaces minimizes the risk of delamination and enhances the durability of automotive parts under various environmental conditions.

