Scotch(R) Tear Strip Tape 8621 White, 1/4 in x 13000 yd, 2 per case High performance. Tensilized polypropylene film reinforced with continuous polypropylene monofilaments for 160 lb/inch width tensile strength for high pull rate success. Designed for flat surface or vacuum wheel applicators. Continuous polypropylene monofilaments provide greater resistance to edge tearing and nicking than tensilized polypropylene film without filament reinforcement. Rubber resin adhesive bonds to most paperboard and corrugated fiberboard, including those with high recycled content.Applications:- Convenience opening tape for overnight courier boxes/envelopes; audio/video/CD/book mailers; and primary retail packages for such items as electronics, toys, medical devices, and computers- For mail order retailers who want to reduce returned package damage from customers cutting open the packageTypical Physical Properties:- 30% elongation at break- 64 oz/inch adhesion to steel- Standard widths: 1/4 inch, 3/16 inch, 1/8 inch