Hot Melt Adhesives for Case Sealing

Hot melt adhesives for case sealing have become the industry benchmark for secure, high-speed carton closure, and TH-101C exemplifies this standard. Supplied as bright white mini-flakes, this EVA-based formulation is engineered for plug-free feeding on automatic carton erectors, case packers and sealers. Its rapid melting profile and clean spray pattern give packagers consistent fiber-tear bonds at line speeds that exceed 60 cartons per minute while maintaining a neat, professional appearance on store-ready packs.

The green chemistry behind TH-101C eliminates heavy-metal catalysts and minimizes VOC emissions, helping converters meet BRC, FDA and EN 13432 sustainability requirements. Because the adhesive is odor-neutral and non-yellowing, it is equally suitable for food cartons, cosmetic kits and pharmaceutical shipper cases where consumer safety and shelf appeal are critical. The product's thermal stability resists char formation, so purge cycles are reduced and glue tanks stay cleaner for longer production runs.

A softening point of 110 ± 5 °C provides high heat resistance for summer warehousing and export containers, yet the adhesive remains flexible enough to absorb impacts without cracking. At 170 °C the melt viscosity is approximately 580 cps-an exceptionally low value that translates into high fluidity. This property allows TH-101C to shoot through nozzle diameters as small as 0.3 mm without pressure spikes, creating hair-line beads that save up to 20 % adhesive consumption compared with standard grades.

The combination of fast set and superior hot tack makes TH-101C the ideal hot melt adhesives for case sealing on high-speed lines. Bonds achieve handling strength in under two seconds, enabling immediate compression and stacking while preventing pop-opens caused by memory in die-cut board. Users report virtually zero stringing or sag, even when nozzles are angled upward for hidden glue heads, resulting in cleaner machinery surfaces and fewer unplanned stops for maintenance.

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