(Poly) 100% petrochemical film that won’t
shrink or discolor. Strong, more stretch than PVC.
Chloride (PVC)–100% petrochemical film that won’t
shrink or discolor; releases quietly. Minimal stretch.
of measure used to describe tape thickness (which equals
adhesive plus film), equal to 1/1000. The higher the
mil, the stronger the tape.
Strength–Pulling force per inch width that is required
to break the tape, as determined by an industry test.