Making Sense of OPP Film for Better Packaging
If you've ever crinkled a potato chip bag or admired the shiny wrap on a bouquet of flowers, you've probably been handling opp film without even realizing it. It is one of those materials that's basically invisible because it's everywhere. We see it in the grocery store, at the pharmacy, and even in our own craft drawers. But for something so common, it's surprisingly technical once you pull back the curtain. ...