3M polyethylene protective tapes 2104 and 2105 have a very low-tack adhesive system to help provide temporary protection of many polished metals, plastics and glass materials with minimum adhesion buildup and clean removal. Acrylic adhesive is non-corrosive and non-staining. - Transparent backing allows visual inspection without tape removal to help reduce rework. Easy punch characteristics to withstand most forming operations where die tolerances are critical which helps save money on scrap, rejects and reworks.