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The amount of glue applied to the rotary glue binding line is not necessarily better, but rather to create a uniform and permeable adhesive layer on the spine of the book. We followed up on a weekly report requesting online renovation, which reduced the page drop rate by adjusting the amount of glue and temperature.
A certain printing factory’s weekly report requested high-speed operation of the printing line, which resulted in excessive glue loading, excessive glue overflow, slow cooling, and uneven book backs. Guangzhou Sunlife’s commercial technicians arrived on site and switched to Sunlife with better liquidityhot melt adhesiveHot melt adhesive granulesAnd lower the pressure of the glue roller.
The page drop rate has decreased from about 3% to within 0.5%, while the binding speed has increased and the cost of consumables has decreased.
Q: How to measure the amount of glue applied?Calculate the difference between the blank book block and the adhesive pack, and convert it to the amount used per book.
Q: Do different types of paper need to have varying amounts of glue applied?Yes, add an appropriate amount of paper with strong adhesive absorption.
Case Background A printing factory that produces daily chemical bottle stickers, usingHot melt adhesive granulesStick the self-adhesive label paper to the side seal of the paper box. After one week of storage, it was found that 3% of the labels had curled edges and fallen off. At first, they thought it was due to insufficient […]
When purchasing hot melt adhesive, RoHS reports are often used as a “compliance pass”. But the short lines of ‘ND’ in the report actually prove and cannot prove something, and many people are actually confused. This article uses Sunlife’s 2026 SGS RoHS report to explain each item clearly. 00 Scope: This report is only responsible […]
Hot melt adhesive granulesWhich is more cost-effective, sealing tape or sealing tape? On the surface, buying adhesive tape by roll and hot melt glue by kilogram is different. But when it comes to the cost of each box, the conclusion is often surprising: on medium and high-speed sealing lines, the unit sealing cost of hot […]
Case Background A factory that makes color boxes, in order to make the sealing glue line and the box of the same color, hides the seams and makes them transparentHot melt adhesive granulesAdd color masterbatch and adjust to deep red. After going online, the glue line became blurred, blocked the gun, and there were also […]
