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Handbooks usually use thin paper (60-80g/m ²) and a hard shell cover structure. The inner pages need to be laid flat at 180 ° without falling off, and the requirements for the flexibility and bonding strength of the adhesive layer are both high. Unlike ordinary books and magazines, hand books have a very high frequency of flipping and are often repeatedly folded. If the glue layer is too hard, the spine of the book is easily broken; If it is too soft, the inner page will fall off.
| Comparison item | EVA hot melt adhesive granules | APAO hot melt adhesive granules |
|---|---|---|
| flexibility | Medium, slightly hard at low temperatures | Excellent, resistant to bending and repeated flipping |
| Opening hours | 1-3 seconds (fast fix type) | 3-6 seconds (suitable for manual operation) |
| Initial Tack | High, adhesive will stick when applied | Medium, requiring slightly longer compression |
| Low temperature resistance | -Brittle below 10 ° C | -Still soft at 20 ° C |
| Price | Economy | Slightly higher (about+15%) |
Recommended EVA fast curing type for machine glue assembly line – fast gluing speed and compact rhythm; Manual or semi-automatic binding is recommended by APAO – it has a long opening time and high fault tolerance, especially suitable for small batch cultural and creative studios. Both types of Sunlife hot melt adhesive substrates have corresponding models, and Guangzhou Sunlife Trading can recommend free selection solutions based on your binding method.
For a long time, assembly lines have been the most effective way to mass-produce almost all products. Of course, product assembly has been constantly improving. In recent decades, hot melt adhesives have become an indispensable part of the assembly process. Here are several ways in which hot melt adhesive is crucial to the success of […]
Pulp molded inner trays (egg trays, electrical liners) often require corrugated outer boxes or positioning cardsDotting and fixingIt has a rough surface and absorbs water, making it easy to overflow and crack if the wrong glue is used. Here is a set of three steps that can be copied directly. Step 1: Choose the right […]
Hot melt adhesive used for mattress assembly Hot melt adhesive makes assembling mattresses faster and easier. Because they are easy to handle, many manufacturers use adhesives to connect the foam around the mattress springs, connect the cushioning foam and insulation materials to the interior of the mattress body, and maintain the cushioning on the top […]
Small batch trial orderHot melt adhesive granulesHow to buy? Many new customers are encountering hot melt adhesive granules for the first time and are hesitant to stock up on large quantities. They want to try out small orders first. This is very reasonable – the requirements for glue vary greatly depending on the machine, paper […]
