Nifty Products cello-type stationery tape. Based on a tough ultra-clear film, score slit for easy tear edges and coated with a high grade acrylic system. 601 is designed for office, stationery, general purpose packaging, prescription label protecting, mending, edging, and splicing applications. 601 will not yellow, discolor, dry-out and has excellent dimensional stability. It resists aging, moisture, weathering, acids, sunlight, chemicals, oils and alkalis. 601 is invisible in photocopying and blueprinting. Backing: Biaxially-oriented clear polypropylene film. Adhesive system: Water based acrylic synthetic blend. Total thickness: 50 microns (2.0 mil) (30 microns of film). Temperature range: -10 to 40 degree centigrade. Tensile strength MD: 92 N/22 mm. Elongation MD: 134 percent. Peel Adhesion 180 degree (to stainless steel): 7.5. tack: 3.1 (14#cm). Holding power: 24 hours (standard). Measures 72-yards length by 3/4-inches width. Ultra clear color.