Understanding the Role of Non-Reinforced Water Activated Tape in Light Packaging

In the spectrum of water activated tapes, the JLN-370 occupies the light duty segment. Unlike reinforced grades that incorporate fiberglass or plant-based yarns for tensile strength, this model relies solely on the integrity of the kraft paper backing and the penetration of the starch-based adhesive. The structure is simpler, with a 70 g/m² backing and a thickness of 0.12 mm. This lack of reinforcement makes the tape simpler in structure and recyclable with the carton, which is a factor for facilities aiming for recyclable packaging streams. The adhesive system activates with water, bonding as the adhesive penetrates the carton fibers rather than sticking to the surface like plastic tapes. This creates a tamper-evident seal, as removing the tape damages the cardboard surface. While it does not offer the burst strength required for heavy industrial shipping or pallet stabilization, the JLN-370 is effective for retail boxes, lightweight e-commerce parcels, and internal transfers where box integrity is already sufficient. It serves as a direct plastic-free alternative for operations that prioritize sustainability over extreme load-bearing capacity. From a manufacturing perspective, selecting non-reinforced tape suits light loads while maintaining the eco-friendly profile associated with kraft paper sealing solutions.