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TPU film
Hot melt film
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The use of TPU hot melt adhesive film has more advantages in environmental protection and safety
​TPU film is a kind of material type of hot-melt adhesive film. Its main component is TPU, which is a polyurethane elastomer rubber polymer compound. It belongs to environmental protection material, non-toxic and harmless to human body and environment, and has the characteristics of oil resistance, water resistance, mildew resistance and drug resistance.
2023-03-09
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The use of TPU hot melt adhesive film has more advantages in environmental protection and safety

    TPU film is a kind of material type of hot-melt adhesive film. Its main component is TPU, which is a polyurethane elastomer rubber polymer compound. It belongs to environmental protection material, non-toxic and harmless to human body and environment, and has the characteristics of oil resistance, water resistance, mildew resistance and drug resistance.

    Product characteristics of TPU hot melt adhesive film:

    1. TPU hot melt adhesive film has good washing resistance, but poor dry cleaning resistance;

    2. TPU hot melt adhesive film has a high temperature of 110 ℃ and a low temperature of - 20 ℃;

    3. At the same time, TPU hot melt adhesive film also has good elasticity, which can be made into high elasticity according to your own requirements!

    The high and low temperature in the high and low temperature TPU hot melt adhesive film is the high and low temperature of the melting point. Low-temperature TPU hot melt adhesive film refers to the hot-melt adhesive film with low melting point.

    TPU hot melt adhesive film can be a hot-melt adhesive film with a melting point of 65, which really achieves the low temperature level.

    The production process of TPU hot melt adhesive film also needs to go through this high-temperature melting process. In this development process, it can improve the volatilization of hazardous chemicals in some enterprises and ensure the safety of their effective ingredients. When the TPU hot melt adhesive film is used to produce products and materials, even if it is analyzed and treated again as a "high temperature" environment, there will be no other harmful substances volatilizing. Therefore, the treatment of these two high-temperature links is to ensure that the TPU hot melt adhesive film is a completely non-toxic and harmless environment-friendly adhesive.

    From the perspective of environmental protection and safety of the enterprise itself, the use of TPU hot melt adhesive film has more advantages in environmental protection and safety. In the production process, it is necessary to use environmental protection treatment facilities in the gluing workshop. The environmental protection investment and operation of the equipment are very expensive, especially in the economically developed areas such as the Yangtze River Delta and the Pearl River Delta. Enterprises using glue production technology are increasingly difficult to obtain approval. This is because glue belongs to dangerous goods and needs special storage in dangerous goods warehouse, which increases the investment in environmental protection and safety risks.

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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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