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Characteristics and application of TPU film
When TPU film manufacturers produce TPU films, their raw materials are mainly TPU pellets, which can be made into films after special processing such as calendering, casting, film blowing, and coating. The application purpose of TPU film is more for waterproofing, which is one of the new materials with relatively strong waterproof performance. It can be used in waterproof materials such as sports shoes, air bags or oil bags. In addition, it can also be used in some agricultural production, involving a wide range of industries.
2022-12-01
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Characteristics and application of TPU film

    When TPU film manufacturers produce TPU films, their raw materials are mainly TPU pellets, which can be made into films after special processing such as calendering, casting, film blowing, and coating. The application purpose of TPU film is more for waterproofing, which is one of the new materials with relatively strong waterproof performance. It can be used in waterproof materials such as sports shoes, air bags or oil bags. In addition, it can also be used in some agricultural production, involving a wide range of industries.

    TPU has a wider range of applications than ordinary films, and is closely related to its characteristics in the following aspects:

    1. Strong wear resistance. Although the same is a film, the TPU film produced by the TPU film manufacturer has strong damage resistance when subjected to mechanical effects such as external friction and scratches, which is about 5 times higher than the wear resistance of natural rubber. It is used in some environments that require high anti-friction performance.

    2. Good ductility and tear resistance. The tensile and tear resistance of TPU film can reach 7ompa and 1000%, which is far stronger than ordinary rubber films, and it has also been widely used in some shoemaking industries.

    3. Bending resistance. At room temperature or at a low temperature, ordinary films are more likely to tear after being bent, while the films produced by TPU film manufacturers are applicable to a wider range of temperatures, even at extremely low temperatures. In the environment, it can also maintain extremely good bending performance, so as to better meet the needs of users.

    TPU film belongs to a relatively new type of film material at present. Compared with general film manufacturers, the requirements for TPU film manufacturers in terms of technology, materials and equipment will be higher. Only in this way can the final production The TPU film products produced have better performance and can be applied to a wider range of industrial production

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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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