The Scotch® Box Sealing Tape 371 is an industrial grade packing tape that securely closes a wide variety of medium weight box materials, including recycled fibreboard. The polypropylene film backing of the Scotch® Box Sealing Tape 371 is easy to unwind and resists abrasion, moisture and scuffing. The backing easily conforms around edges and rough surfaces for a tight seal.The Scotch Box Sealing Tape 371 is an 1.8 mil (46 micron) industrial grade polypropylene film packaging tape with a synthetic rubber adhesive that offers roll to roll consistency to increase productivity for improved unit cost. It is specifically designed for flexibility and conformability under stress, and is ideal for general industrial applications. It is easy to unwind and dispense with manual dispensers or 3M Case Sealers. This tape resists abrasion, moisture, chemicals and scuffing for long-lasting performance.