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Dongguan Green TPU Co.,Ltd.
15year TPU film/TPU hot melt adhesive film custom manufacturer
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What is TPU hot melt adhesive film?
We all have a preliminary understanding of TPU hot melt adhesive film, which is a kind of hot melt adhesive film with multiple melting points. In addition to having certain washing resistance, low temperature resistance and high temperature resistance, the medium and high temperature type also shows good elasticity and has a wide range of applications in practice. So what is perforated TPU hot melt adhesive film product?
2021-10-07
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What is TPU hot melt adhesive film?

We all have a preliminary understanding of TPU hot melt adhesive film, which is a kind of hot melt adhesive film with multiple melting points. In addition to having certain washing resistance, low temperature resistance and high temperature resistance, the medium and high temperature type also shows good elasticity and has a wide range of applications in practice. So what is perforated TPU hot melt adhesive film product?

Adding an extra process to the conventional adhesive film is also perforating. The manufacturing steps of the manufacturer are generally to first make conventional hot melt adhesive film products, and then process and perforate.

If the TPU hot melt adhesive film is not perforated, it will not have good air permeability, so perforation can ensure air circulation after the product is laminated. It is precisely because punching has one more process than no punching, so the cost will be slightly higher. The adhesive film with backing paper has different properties suitable for the adhesive material, but it can be perforated by processing. Before doing this procedure, we need to choose the appropriate type and model to avoid increasing costs.

As a raw material for production, TPU has attracted much attention in the adhesive industry, bringing good news to more and more companies. Changes in the industry have also made the development of TPU hot melt adhesive film a trend. At present, the market scale of TPU hot melt adhesive film in China is still relatively large. Although the base of the domestic market scale is already large, its annual growth rate is still very fast. With the rapid development of domestic industry, textile industry and clothing industry, the demand for thermal bonding technology is becoming more and more diversified.

TPU hot melt adhesive film has a firm foothold in the market at present, but there will always be a certain bottleneck period in development. For example, TPU hot melt adhesive film encounters some urgent problems in the production, such as environmental protection issues, Quality control, these series of problems need to be solved. The development of TPU hot melt adhesive film enterprises is environmental protection. The environmental protection quality requirements are very high, and the country’s related laws and policies are becoming more and more stringent.

The domestic environmental protection situation in my country is also very severe, so the environmental protection problem of TPU hot melt adhesive film should be regarded as an important turning point in the development of enterprises. Companies need to find a precise positioning and seize opportunities. Manufacturers must start with quality, differentiation, and service, and through continuous innovation and practice, can they keep up with the pace of market development.

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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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