
The PET behind automotive window tint
Base film, converting and finished tint describe different parts of a product. Official grade examples from four suppliers show why a familiar PET name does not tell the whole story.
Start with the materials inside window film and PPF, then explore published manufacturing and product information. Finish with the fields in a shipment record and use the map and import search to investigate further.
Explore PET in window film and distinguish TPU resin, base-film extrusion and finished PPF.

Base film, converting and finished tint describe different parts of a product. Official grade examples from four suppliers show why a familiar PET name does not tell the whole story.

A three-stage guide to separating TPU resin production, base-film extrusion and the coating work that creates finished paint protection film.
Compare Taiwan’s material and film-processing roles, Eastman’s site operations and Interconix’s automotive-film range.

Covestro, Nan Ya, Shinkong and Top Colour illustrate Taiwan’s roles in TPU resin, PET base film and finished-film processing—and what buyers should ask.

How Eastman Performance Films divides dyeing, extrusion, coating, rewinding and distribution across its Martinsville and Fieldale locations.

A guide to Interconix’s published display, windshield and paint-protection ranges, its OEM/ODM offering and its windshield-film timeline.
Work through company names, cargo descriptions, dates and bill numbers, including what a shipment record can and cannot establish about the product being offered.

Three US ocean-shipment examples show how names, cargo descriptions and dates fit together—and which product questions still need an answer.