Wide PTFE Tape vs Narrow Rolls: Which Fits Your Sealer Choosing tape for a heated seal bar sounds simple until you stand in front of two roll widths and have to commit. Wide PTFE tape covers more of the bar in a single pass, while narrow rolls offer flexibility and lower cost per roll. The right choice depends on your machine, your film, and how your line actually runs. Picking by habit instead of by measurement is how shops end up with a drawer full of the wrong width. Visit: https://castocus.com/blogs/66565/Wide-PTFE-Tape-vs-Narrow-Rolls-Which-Fits-Your-Sealer