In addition to being used as a shrink label, heat-shrinkable polyester film has also been used in outer packaging for daily use products in recent years. Because it can protect the packaged goods from impact, rain, moisture, rust, and
The optical film substrate is generally smooth and defect-free, has high gloss and light transmittance, low haze, and good coating performance. However, if the substrate is apparently flat and free from defects, the contact point betw
The optical film is different from the ordinary protective film or tape. It has a uniform thickness and a dust-free surface and a small crystal point. This imposes higher requirements on the coating technology and requires a film thic
With the development of special functional films, new uses of polyester films have emerged. Can be produced into mobile phone LCD protective film, LCD TV protective film, mobile phone buttons and so on. In this context, PET film has e
