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The market competition for TPU hot melt adhesive film is becoming increasingly fierce
​TPU hot melt adhesive film​ is widely used in clothing and shoe materials because the products are now biased towards diversification and environmental protection. Therefore, every TPU hot melt adhesive film manufacturer is developing according to this standard, and the market competition for TPU hot melt adhesive film is becoming increasingly fierce.
2023-04-13
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The market competition for TPU hot melt adhesive film is becoming increasingly fierce

    TPU hot melt adhesive film is widely used in clothing and shoe materials because the products are now biased towards diversification and environmental protection. Therefore, every TPU hot melt adhesive film manufacturer is developing according to this standard, and the market competition for TPU hot melt adhesive film is becoming increasingly fierce.

    TPU hot melt adhesive film is very sensitive to temperature. When the temperature reaches a certain level, the TPU hot melt adhesive film begins to soften; When the temperature is below a certain level, the hot melt film will become hard, so when selecting TPU hot melt adhesive film, it is necessary to fully consider the temperature changes in the product environment.

    If you can meet your bonding requirements, choose the thinnest TPU hot melt adhesive film (the thinner the TPU hot melt adhesive film, the cheaper the price). Release paper TPU hot melt adhesive film can be called TPU hot melt adhesive film with substrate, and the substrate can be divided into release paper and release film. The release TPU hot melt adhesive film with substrate is mainly used for materials that require secondary composite, which looks like plastic film.

    The scale of TPU hot melt adhesive film manufacturers is not always the same, because the characteristics of TPU hot melt adhesive film can vary in the range of use, resulting in different TPU hot melt adhesive film products produced by different manufacturers. Therefore, TPU hot melt adhesive film products are more differentiated, and some manufacturers even specialize in producing a certain type of TPU hot melt adhesive film. However, for large manufacturers, they will produce more types of products to meet the material needs of more customers.

    At what temperature does the TPU hot melt adhesive film have a good fusion bonding effect? The key is to see the temperature resistance of the bonding material, and then select and determine the specifications and characteristics of the TPU hot melt adhesive film to be used based on the requirements of material compatibility. Through these two dimensions, you can basically determine which type of TPU hot melt adhesive film to use, so sample testing is very important!

13 低温TPU热熔胶膜产品参数首图.jpg

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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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