Clear Plastic Film PET Sheet for printing

The primary advantages of PET sheet include their transparent appearance, high light transmittance, excellent gas barrier properties, and superior protective performance. Additionally, PET sheets are known for their toughness, ductility, and eco-friendliness. Since they contain no stabilizers, plasticizers, or harmful elements, and come at a reasonable price, very suitable for packaging, printing, and vacuum forming industries.PET transparent sheets are widely favored by industry consumers. They also boast high recycling value, allowing for reuse during production, transportation, and application，Following the international trend of environmental protection.

However, common challenges in the production of transparent PET sheets and rolls include yellowing, black spots or impurities, streamline marks, and uneven rolling. One frequent issue is the appearance of bubbles, primarily caused by incomplete drying of PET particles, with a moisture content exceeding 0.005%. Insufficient drying allows moisture to either penetrate the surface of the sheet or remain deep within, forming molecular bonds. Factors such as low drying temperature or insufficient drying time further exacerbate this problem. To address bubble formation, it is crucial to adjust the drying temperature and duration promptly.

If yellowing occurs, the root cause is often an excessively high drying temperature or overly prolonged drying time. In such cases, lowering the temperature and shortening the drying period is essential. Similarly, the tendency for PET sheets to degrade when the melt temperature is too high requires a rapid reduction in the melt temperature.

Black spots and impurities, on the other hand, are generally caused by filter damage or residual PET decomposition material in the extruder. Regular inspection and timely replacement of filters, as well as thorough cleaning of the extruder, are critical steps to mitigate these issues and maintain product quality.

To ensure the production of high-quality PET sheets, we uphold rigorous standards and enforce strict production requirements. Workshop employees are trained to follow standardized processes, master the drying procedure, and monitor the hot air dew point. Moreover, they carefully control the rolling gap and traction speed ratio during subsequent processing to ensure smooth and consistent output. These meticulous measures help us enhance production quality and provide superior products to our customers.

By addressing these production challenges and adhering to stringent quality control, we remain committed to delivering reliable and environmentally friendly PET sheets that meet the diverse needs of our industry clients.

Suzhou Ocan Polymer Material Co., Ltd. will put customer needs first and become a responsible and trustworthy supplier to customers.