Though there are a few different laminating materials that the printing industry commonly uses with clients, polyester generally tends to win over the competition. Also known as (PET), polyester is a thermoplastic film often used for two-sided laminating, making it the more versatile material in the printing industry.
It’s the most stable of the base films, which also includes polypropylene and nylon. This laminate film has the most durable surface, offering a higher rigidity with the most build. Essentially, it’s the least breakable film with which to create reliable, laminated finishes.
It can run in size anywhere from 1.2, 1.7, 3, 5, and 10 mil. Unfortunately, it’s not as readily available in thin gauge and it doesn’t often work well as a burstable film, meaning one has to use a machine to cut the laminate after it’s processed.
The best uses of polyester are generally found in the card market, which includes membership cards, key cards, backstage passes, and the like. Other applications such as maps, posters, menus, etc. are all the ideal market for polyester, which ensures a durable item that won’t be destroyed through heavy human traffic.
PET is available in a glueable/stampable version, such as the 1.2 mil PET roll. This enables the material to work as glued pocket folders. It’s also available in standard PET version or the Ultra-Grip version for digital print devices (though this isn’t recommended). As of now, the common finishes are gloss and matte.
As a thoroughly usable, high-quality laminate, polyester is a fine choice for presenting a professional product