Ding He Blogs

1. Aluminum polyester films
(1) Typical structure: PET/DL/AL/DL/PE or PET/AD/PE/AL/DL/PE
(Note: DL is the abbreviation of Yu-type compound,AD is rubber drilling agent).
(2) Production process: dry compound method or dry compound method after extrusion.
(3) Product features: good printing adaptability, which is conducive to improving the grade of the product; good gas and moisture barrier properties.

In the structure of the aluminum foil seal liner, the sealing surface is the sealing layer, and the other side is the backing. What is Backing of aluminum foil seal liner? It is a layer of material with a certain thickness that can be compressed.