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The surface of laminated business cards is dense and has low polarity, making it easy to “fake stick” when directly glued. The key is to choose the right adhesive type, treat the surface well, control the temperature and pressure, in order to stick firmly.
Sunlifehot melt adhesiveThere are models specifically designed for laminated surfaces, and Guangzhou Sunlife Trading can provide small sample adhesion testing. Before mass production, it is necessary to conduct a tensile test to confirm that there is no delamination before proceeding to the production line.
Q: Why did it open again after being pressed down?If the opening time is missed or the pressure is insufficient, adjust the pressing timing.
Q: Can ordinary glue be used for gluing?The adhesion of the film is poor, and the special adhesive is more secure.
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 […]
On December 27, 2023, the National Development and Reform Commission revised and released the “Catalogue for the Guidance of Industrial Structure Adjustment (2024 Edition)”, which will come into effect on February 1, 2024. As an important basis for guiding the direction of social investment, managing investment projects by the government, and formulating and implementing policies […]
Answer directly UnopenedHot melt adhesive granulesIt can usually be stored for 12-24 months in a cool and dry place; Once opened, it is recommended to use it within 3-6 months. Whether it is sealed or not directly determines whether the rubber particles will absorb moisture, clump, and decrease in performance. Sealed storage vs open storage […]
What does the length of the adhesive tape affect The problem of excessively long glue threads on the book and magazine binding line is a headache for the production line: the glue threads wrap around the book core, dirty the cover, and the glue breaks unevenly. In severe cases, each shift needs to be shut […]
