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TPU hot melt adhesive film products have very strong adhesion fastness
TPU hot melt adhesive film products have very strong adhesion fastness, high elasticity and washability, and can be said to be environmentally friendly products. TPU hot melt adhesive film has a wide bonding range and a wide range of hardness, which is very suitable for various temperature resistance requirements. It has perfect elasticity and can keep clothes from deforming. The connection effect is better. So let's talk about how TPU hot melt adhesive film is used in the clothing industry, sports shoes industry, and leather case industry.
2023-05-16
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TPU hot melt adhesive film products have very strong adhesion fastness

    TPU hot melt adhesive film products have very strong adhesion fastness, high elasticity and washability, and can be said to be environmentally friendly products. TPU hot melt adhesive film has a wide bonding range and a wide range of hardness, which is very suitable for various temperature resistance requirements. It has perfect elasticity and can keep clothes from deforming. The connection effect is better. 

    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 can withstand high temperature of 110 degrees and low temperature of minus 20 degrees;

    3. At the same time, the TPU hot melt adhesive film also has good elasticity, and we can make it with high elasticity according to our 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 hot-melt adhesive film refers to TPU hot melt adhesive film with low melting point. The TPU hot melt adhesive film can be made into a TPU hot melt adhesive film with a melting point of 65°C, which can really be achieved at a low temperature.

    Attention should be paid to the storage of TPU hot melt adhesive film

    1. Pay attention to the changes in temperature and humidity in the factory building.

    2. If the TPU hot melt adhesive film is used in hot stamping equipment, it is necessary to preheat the machine first, and the hot stamping effect will be better after removing moisture.

    3. If the hot melt adhesive film is stored for a long time, it is necessary to pay attention to the ventilation of the environment.

    Traditional glues are not environmentally friendly, either because their ingredients contain toxic substances such as formaldehyde, or because they require toxic solvents to stick. Then analyze from these two aspects. First, polyurethane is a safe and harmless component. Second, it has viscosity after heating. It belongs to thermoplastic adhesives and does not use organic solvents. From these two aspects, we can conclude that TPU hot melt adhesive film is environmentally friendly and harmless to the human body.

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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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