For high-quality paper that requires processes such as high-speed printing, photocopying, and coating, corona treatment is necessary.
Corona treatment refers to the process of imparting an electrostatic charge to the surface of the paper, which aids in using these charges for printing, photocopying, and coating processes. There are two predominant techniques for administering corona treatment: positive and negative. Typically, paper is subjected to positive corona treatment. This specific method is preferred because it significantly boosts the paper's affinity for inks and coatings, ensuring a superior finish and consistent quality.
After undergoing corona treatment, the paper's surface can better retain powders, inks, and other substances, significantly improving its suitability and quality for processes such as printing, photocopying, and coating. For high-quality paper that requires high-speed printing, photocopying, and coating (high-end books, picture albums, calendars, brochures, etc.), corona treatment is an essential step step in achieving optimal performance.
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- Corona GeneratorCorona treatment is a surface electric discharge process that enhances the adhesion of plastic or metallized films. Most plastic films (such as polyolefin films) are non-polar polymers with low surface tension. Corona treatment is used to increase the surface energy of these films, as known inks and adhesives cannot adhere firmly to their surfaces in normal conditions.
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- Corona Treatment StationCorona treatment station, also known as discharge station or discharge treater, is a crucial component of the corona treatment system, commonly used in the corona treatment for materials such as plastic films, metal foils, sheets, and paper. Sanxin offers various types of corona treatment stations for customers to choose from, including double-sided, single-sided, side-open, full-closed, semi-closed, and full-open discharge treaters.