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TPU film
Hot melt film
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Dongguan Green TPU Co.,Ltd.
14year TPU film/TPU hot melt adhesive film custom manufacturer
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How about sticking TPU hot melt film to metal?
TPU hot melt film is a material with high elasticity and wear resistance, commonly used in the manufacturing of shoe soles, automotive components, etc. However, in recent years, TPU hot melt film have gradually been applied in the bonding of metal materials. So, how about sticking TPU hot melt film to metal?
2023-11-03
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How about sticking TPU hot melt film to metal?

    TPU hot melt film is a material with high elasticity and wear resistance, commonly used in the manufacturing of shoe soles, automotive components, etc. However, in recent years, TPU hot melt film have gradually been applied in the bonding of metal materials. So, how about sticking TPU hot melt film to metal?

    Firstly, TPU hot melt film has high elasticity and wear resistance, which can adapt to various complex metal surfaces and effectively improve the impact resistance and fatigue resistance of the metal. At the same time, TPU hot melt film also has good waterproof and dustproof properties, which can effectively protect the metal surface from external environmental erosion.

    Secondly, the adhesion performance of TPU hot melt film is very strong, which can quickly and stably bond various metal materials. During the bonding process, simply place the TPU hot melt film between two metal surfaces and achieve rapid metal bonding by heating and pressing. This bonding method is not only easy to operate, but also has high bonding strength, which can meet the needs of various engineering applications.

    In addition, TPU hot melt films can also be customized for production according to different needs. For example, different specifications of TPU hot melt films can be selected based on the shape and size of metal materials to meet different bonding needs. At the same time,TPU hot melt films can also improve their high-temperature and low-temperature resistance by adding other materials to meet the requirements of different environments.

    In short, as a new type of metal bonding material, TPU hot melt film has advantages such as high elasticity, high wear resistance, waterproof and dustproof, strong bonding performance, and customizable production. In various engineering applications, TPU hot melt film has become a very popular metal bonding material.

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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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