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Dongguan Green TPU Co.,Ltd.
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Is TPU hot melt adhesive film toxic? Is it environmentally friendly?
​TPU hot melt adhesive film is made by many different processes, such as scraping, laminating and blowing, for example, TPU hot melt adhesive film without release paper is made by blowing process, while TPU hot melt adhesive film with release paper is made by scraping and laminating process.
2022-11-11
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Is TPU hot melt adhesive film toxic? Is it environmentally friendly?

    TPU hot melt adhesive film is made by many different processes, such as scraping, laminating and blowing, for example, TPU hot melt adhesive film without release paper is made by blowing process, while TPU hot melt adhesive film with release paper is made by scraping and laminating process.

    TPU hot melt adhesive film is non-toxic, non-polluting, easy to pack, transport and store, and is an environmentally friendly chemical material preferred by the public. Of course, it does not exclude the market TPU hot melt adhesive film manufacturers in order to reduce costs, using a large number of cheap materials that are not environmentally friendly, so that their production of TPU hot melt adhesive film is recognized as environmentally unfriendly products. However, as long as the TPU hot melt adhesive film has the relevant environmental testing certificate, it means that the TPU hot melt adhesive film is recognized as environmental friendly by the institution.

    The role of TPU hot melt adhesive film, as the name implies, is to bond two materials together, can be used to bond fabric, sponge, rubber, film, metal and other materials, bonding different materials should be used to different specifications performance of TPU hot melt adhesive film,TPU hot melt adhesive film can be used in clothing, automotive interiors, water treatment, shoes and bags, daily necessities and other applications.

    Be sure to find the right TPU hot melt adhesive film manufacturers, to find a company with strong professionalism, application experience, strength and reliable manufacturers, or the moment is to save money, but the loss of customers is not worth the loss! And Tepuyu has 10 years of TPU hot melt adhesive film production + application experience, with a professional R & D team, can provide you with real-time adhesive solutions!

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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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