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How to choose TPU hot melt adhesive film?
​TPU hot melt adhesive film is a hot melt adhesive film that can be cured at room temperature. Stable performance, flow delay, TPU hot melt adhesive film, non-stick at room temperature! But the condition for adhesion is heat. When the corresponding temperature is reached, the melting point is reached. At this time, the cooling after melting can achieve the effect of pasting objects, so it can be determined that the TPU hot melt adhesive film needs to be heated to melt.
2022-09-07
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How to choose TPU hot melt adhesive film?

    TPU hot melt adhesive film is a hot melt adhesive film that can be cured at room temperature. Stable performance, flow delay, TPU hot melt adhesive film, non-stick at room temperature! But the condition for adhesion is heat. When the corresponding temperature is reached, the melting point is reached. At this time, the cooling after melting can achieve the effect of pasting objects, so it can be determined that the TPU hot melt adhesive film needs to be heated to melt.

    The main method for the classification of TPU hot melt adhesive films is still based on the bonding material. There are two types of TPU hot melt adhesive films: high temperature and low temperature. Width and thickness are used to select the size of a specific specification. The material of TPU hot melt adhesive film is suitable for industry. The compounding process and conditions of the product determine the melting point, width and thickness of the selected TPU hot melt adhesive film.

    TPU hot melt adhesive film is widely used, and it always appears in unexpected places. Briefly list some usage scenarios of TPU hot melt adhesive film.

    (A) TPU hot-melt film is also required for the production of shoe uppers;

    (b) Composite TPU hot melt adhesive film is required inside the car;

    (C) It is necessary to wear thickened velvet warm pants composite film with TPU hot melt adhesive film in winter;

    Clothing design fabrics, non-woven leather, etc. All need composite TPU hot melt adhesive film.

    Application range of TPU hot melt adhesive film

    TPU hot melt adhesive film composite has low temperature and good elasticity. Scope of application: leather / shoes / microfiber / mobile phone leather case / computer bag and other industries;

    Do I need to consider softness when using TPU hot melt adhesive film? Should it be a requirement for a high temperature application or a requirement for a low temperature application? Do you want to wash it with water? did it? Do you want to consider expansion? If you have the above requirements, you should choose a TPU hot melt film with corresponding characteristics.

    If there are a variety of TPU hot melt adhesive films to choose from, please choose the most cost-effective TPU hot melt adhesive film. When meeting your bonding requirements, choose the thinnest TPU hotmelt film available.

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TPU hot melt adhesive film vs anaerobic adhesive: "Scene flexibility" difference in automotive interior bonding
2025-09-11
​From the perspective of curing conditions, TPU hot melt adhesive film does not need to rely on special environments, while anaerobic adhesives are severely restricted by "auerobicity". The curing principle of anaerobic glue is to undergo polymerization under conditions of lack of oxygen and catalyzed by metal ions (such as iron and copper). If it is in an environment where air circulation or metal substrates are not available, the curing speed will be greatly slowed down or even unable to cure. In automotive interiors, most bonding scenarios are "open" (such as bonding the door panel skin to PP substrate, and the ceiling fabric to the sponge), the air can freely contact the bonding surface, and the substrate is mostly non-metallic (PP, ABS, fabric, etc.), lacking metal ion catalysis, and additional catalyst is required when using anaerobic glue, and the curing time is as long as several hours, which is difficult to meet the needs of industrial production. The TPU hot melt adhesive film only needs to be melted by heating (120-160℃) and can be cured after pressurization and cooling. It does not need to rely on the ambient oxygen concentration or the base material. It can be cured stably in open or closed bonding scenarios, and the curing time only takes a few dozen seconds to a few minutes, adapting to the fast-paced needs of the interior production line.
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