TPU Paint Protection Film Defects Explained: Gel Particles vs. Surface Sink Marks
1. What Are Gel Particles in TPU Paint Protection Film? Definition Gel particles are small areas of TPU material that were not fully melted or properly dispersed during the manufacturing process. These defects may come from: TPU resin inconsistency Polymer degradation Material contamination Poor filtration during extrusion How Do Gel Defects Look? Typical characteristics of […]
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