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The problem starts with a batch of hardcover picture books A printing factory in Dongguan that produces corporate brochures received an order for 5000 hardcover books. The book core is made of 128g copperplate paper, and the spine is sealed with the original universal EVA adhesive. It can be stored at room temperature without any […]
Answer directly TransparentHot melt adhesive granulesAfter curing, it is almost colorless and suitable for bonding scenarios with high appearance requirements. It can ensure strength without leaving obvious adhesive marks, and is often used for gifts, displays, and electronic product packaging. Case 1: High end gift box window opening A certain gift factory made transparent PVC […]
The music score book has an almost strict requirement for the adhesive:After opening, it must be able to be spread flat on the piano stand and repeatedly folded for six months without falling off the page.This is completely different from ordinary books and magazines that only need to be firm. A printing factory specializing in […]
Oil resistance testing caused by food packaging returns A certain food packaging factory received a batch of returns: 2000 sealed paper boxes experienced seal delamination and leakage within 48 hours after being filled with edible oil. The factory director immediately suspected thathot melt adhesive pelletsQuality issue, but the problem persists even after changing to another […]
