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The e-commerce and retail industries are increasingly using irregular cardboard boxes (such as hexagonal boxes, drawer boxes, and top and bottom covers), and the sealing and gluing path is much more complex than standard unboxing. Here are 5 common types of irregular box shapeshot melt adhesive pelletsGlue application plan.

Sunlife hot melt adhesive particles have good fluidity and precise positioning in irregular gluing scenarios, making them suitable for various automatic gluing equipment.
Q: Can robots be used for gluing irregular boxes?
A: Okay. The six axis glue coating robot, combined with visual positioning, can accurately track any irregular path. Sunlife hot melt adhesive particles with low viscosity are suitable for precise coating by robots.
Q: How to verify the sealing strength of the irregular box?
A: Perform a drop test according to the courier standard (1.2m free fall, 1 test on each of the 6 sides), and if there is no wire breakage or unpacking, it is considered qualified.
In the field of book binding, EVA flat hot melt adhesive has become the preferred adhesive for high-frequency flipping paper products such as picture books, notebooks, and test papers due to its core advantages of perfect 180 ° flat spreading and flexible and folding resistant spine. As a high-tech enterprise deeply involved in the hot […]
Special features of digital printing adhesive packaging Quick print shops often accept digital printed sample books, brochures, and bidding documents. This type of print has a thick ink layer and a digitally processed paper surface, making it more difficult to stick than traditional offset printing. select Hot melt adhesive granules To determine the stickiness of […]
Universal hot melt adhesive granulesCan be reluctantly shared in scenarios with small batch and low strength requirements through “gluing+sealing”However, when it comes to large-scale production, it is recommended to separate materials: the adhesive packaging of books and periodicals should have penetration and stiffness, and the sealing should have initial adhesion and tensile strength; Carrying a […]
Two mainstream solutions for bonding hardcover covers There are two technical routes for bonding hardcover book covers:hot melt adhesive pelletsHot melt glue and cold glue (white latex/PVA) pasting. Both options have their own strengths, and which one to choose depends on your product positioning, equipment conditions, and production capacity requirements. Comparison of Technological Processes Hot […]