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How to use TPU hot melt adhesive film?
It is one of the components of TPU hot melt adhesive film. TPU is the English abbreviation, and the Chinese name is polyurethane. It has good elasticity, softness and water resistance, and has good adhesion to textiles, TPU films, polyurethane sponges, rubber and other materials. Compared with other components of TPU hot melt adhesive film​, TPU has a slightly rustling feel and is white and yellow in color, and is widely used in textiles, toys, daily necessities and industrial products.
2022-05-31
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How to use TPU hot melt adhesive film?

It is one of the components of TPU hot melt adhesive film. TPU is the English abbreviation, and the Chinese name is polyurethane. It has good elasticity, softness and water resistance, and has good adhesion to textiles, TPU films, polyurethane sponges, rubber and other materials. Compared with other components of TPU hot melt adhesive film, TPU has a slightly rustling feel and is white and yellow in color, and is widely used in textiles, toys, daily necessities and industrial products.

Cut the TPU hot melt adhesive film into the corresponding total width, and then press the high temperature of the fabric surface until the TPU hot melt adhesive film completely meets the requirements, and then press the high temperature according to the technical standard. This method is called hot stamping seamless splicing and bonding.

Advantages of TPU hot melt adhesive film

1.. Hydrolysis resistance of TPU hot melt adhesive film

Tpu has excellent washing resistance under turbidity, strong water resistance, environmental protection, and will not be damaged in long-term use.

2. Low temperature performance of TPU hot melt adhesive film

Generally, the melting point can be as low as 40 degrees Celsius, and the TPU hot melt adhesive film can work normally.

3. Tear performance of TPU hot melt adhesive film

TPU hot melt adhesive film has strong tear resistance, which also reflects the material's transverse physical properties, notch tear strength, notch angle and tear criteria

The fabric bonded with TPU hot melt adhesive film is very comfortable to wear on the human body, and there is no plastic feeling and foreign body feeling. All of this is due to the properties of its main component, polyurethane. The above is the introduction of the main components and raw materials of TPU hot melt adhesive film. TPU hot melt adhesive film is a recyclable and environmentally friendly product with low loss rate during the production and use of TPU hot-melt adhesive film. TPU hot melt adhesive film scraps can be fully recycled in the process of making key materials, which has the advantages of reducing energy consumption, activation temperature, initial setting, carbon dioxide emissions and cost.

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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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