PET CZ-302 Resin

The production process flow is: crystallization of raw materials - drying - extrusion plasticization - extrusion molding - calendering and shaping - winding products.

PET is a milky white or light yellow, highly crystalline polymer with a smooth and shiny surface. It has excellent physical and mechanical properties in a wide temperature range. The long-term use temperature can reach 120°C. It has excellent electrical insulation and its electrical properties are still good even at high temperatures and high frequencies. However, it has poor corona resistance and creep resistance. Denaturation, fatigue resistance, friction resistance and dimensional stability are all very good.

Common quality problems and solutions in PET sheet production

Crystal point impurities are produced in the sheet: the reasons include raw materials and leftover materials. PET slices themselves do not produce crystal point impurities, but impurities or low quality are introduced during the processing due to drying problems or the added leftover materials due to poor environment. raw materials, making it impossible to eliminate the production during the sheet forming process.

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