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The ribbon bookmark of hardcover books is usually 3-5mm wide and pasted on the top inner side of the spine, with a small area and concentrated force. Ribbon materials are mostly polyester or nylon fabrics, with a smooth and flexible surface, and the adhesive layer must meet the following requirements: ① strong adhesion to the fabric; ② The adhesive layer is thin and does not damage the spine of the book; ③ Long term flipping without detachment.
| Plan | Pull off force (N) | Adhesive layer thickness (mm) | Appearance | Durability |
|---|---|---|---|---|
| General EVA adhesive particles | 3.2 | 0.3 | Slight overflow of glue | Loose after 3 months |
| High adhesion modified EVA | 5.8 | 0.2 | tidy | Stable for 6 months |
| PA polyamide granules | 7.1 | 0.15 | Extremely thin and flat | Stable for 12 months |
Recommended PA polyamide for large-scale hardcover book linesHot melt adhesive granules——The adhesive strength is the strongest, the adhesive layer is the thinnest, and the durability is the best. Although the unit price is high, the amount used is very small (only about 0.1g per book), and the total cost is almost negligible. Modified EVA is available for small and medium-sized batches or handmade fine decoration, providing better cost-effectiveness. Both models of Sunlife hot melt adhesive are in stock, and Guangzhou Sunlife Trading supports small batch mixed batch procurement.
Hot melt adhesive for book and periodical binding, providing a strong and permanent bond, is crucial for book and periodical binding applications. Sunlife offers a wide range of adhesives suitable for various book and periodical binding applications. Book and periodical binding must have high durability, heat resistance and moisture resistance, and the adhesive must provide […]
In the fields of book binding, brochure production, notebook production, etc., flat hot melt adhesive is the core bonding material, and the core demand is concentrated in180 ° flat spread without cracking, resistant to high and low temperatures, firmly bonded, affordable priceThere are numerous printing and packaging enterprises in Guangzhou and its surrounding areas, and […]
Whose pot is the offset of the cover indentation line? Offset of crease lines on hardcover book covers is a common quality control issue, manifested as the bending of the cover not being in the design position, and in severe cases, causing the cover to warp and the spine to be uneven. Many people initially […]
Tannic acid, also known as tannic acid, cannot be purchased solely based on price comparisons. Different processes have different requirements for raw material indicators, dissolution behavior, color, impurity control, packaging, and batch traceability. This article provides an inquiry and acceptance framework for leather, mineral processing, and other industrial use scenarios, and explains when it is […]
