Silica for Perforation and Matte Effect in PA Film
Biaxially oriented polyamide film (BOPA) is a key material. It is used to produce various composite packaging materials. It has become the third largest packaging material after BOPP films and BOPET films. Compared with BOPP, BOPA, as a high-barrier film substrate, shows excellent barrier properties. Its resistance to rupture, impact, tensile strength, and puncture resistance […]
