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Hot melt film
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High temperature TPU hot melt adhesive film and low temperature TPU hot melt adhesive film
When using TPU hot melt adhesive film, the surface treatment of the adherend is not as strict as other adhesives, but the dust and oil on the surface should also be properly treated, so that the TPU hot-melt adhesive film can play a better role in bonding. Different types of TPU hot melt adhesive films have different melting points, some have high melting points, and some have very low melting points!
2022-08-08
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High temperature TPU hot melt adhesive film and low temperature TPU hot melt adhesive film

When using TPU hot melt adhesive film, the surface treatment of the adherend is not as strict as other adhesives, but the dust and oil on the surface should also be properly treated, so that the TPU hot-melt adhesive film can play a better role in bonding. Different types of TPU hot melt adhesive films have different melting points, some have high melting points, and some have very low melting points!

TPU hot melt adhesive film can meet the application requirements of different products.

The TPU hot melt adhesive film does not require a drying process, and the bonding process is simple.

TPU hot melt adhesive film has good gloss, gloss retention and good shielding properties.

Products bonded with TPU hot melt adhesive film have good appearance properties, such as seamless garments and seamless walls.

The TPU hot melt adhesive film does not require a drying process, and the bonding process is simple.

The low temperature TPU hot melt adhesive film has a melting point of 45 ° C ~ 50 ° C, a width of 1m ~ 1.5m, a thickness of 0.02 mm ~ 2 mm: the advantage of the low temperature TPU hot melt adhesive film is that it can be used for the bonding of low melting point products. Some adherend substrates have Low melting point, and easy to bend and deform when heated. This adherend substrate should be suitable for low temperature TPU hot melt adhesive film as an adhesive!

High temperature TPU hot melt adhesive film. The difference between high temperature TPU hot melt adhesive film and low temperature TPU hot melt adhesive film is not only the working temperature, but also the appearance characteristics. High temperature TPU hot melt adhesive film is more elastic and transparent than low temperature TPU hot melt adhesive film. The higher the melting point, the better the elasticity and transparency of the TPU hot melt adhesive film. However, TPU hot melt adhesive film has no elasticity at low temperature, and the color of low temperature TPU hot melt adhesive film is white matte.

According to different raw materials, hot melt adhesive film is divided into TPU hot melt adhesive film, PA hot melt adhesive film, PES hot melt adhesive film, EVA hot melt adhesive film and PO hot melt adhesive film. Anyone who knows about hot melt adhesive film in Wuhan day and night will be interested in TPU hot melt adhesive film. TPU hot melt adhesive film is a hot melt adhesive film made of TPU.


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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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