none .:: BOPP Packing Tape ::. Properties: Use BOPP film as the basic materials,is outstanding in transparency,high tensility and is used widely. Technical Parameters： Backing Code Backing thickness (mm) Total thickness (mm) Tensile (N/cm) Elongation (%) Adhesive Adhesion Tack (#) Features/ Application BOPP W25 0.025 0.052 25 150 Water Based 2.2 18 For various sealing and wrapping W28 0.028 0.055 32 150 Water Based 2.2 18 W30 0.030 0.057 35 150 Water Based 2.2 18 For heavy boxes sealing and strapping W38 0.038 0.065 38 150 Water Based 2.2 18