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Factors Affecting the Price of TPU Hot Melt Adhesive Film
​TPU Hot Melt Adhesive Film, also called TPU hot-melt double-sided adhesive, is a hot-melt adhesive product made by scraping, coating or blow molding. It will melt in the state and has stickiness on both sides. It is an environmentally friendly adhesive. Because its structure is similar to a film, the entire surface is glued, so the bonding fastness is much stronger than that of hot melt adhesive film. , but the bonded product will be greatly affected in terms of air permeability.
2023-05-29
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Factors Affecting the Price of TPU Hot Melt Adhesive Film

    TPU Hot Melt Adhesive Film, also called TPU hot-melt double-sided adhesive, is a hot-melt adhesive product made by scraping, coating or blow molding. It will melt in the state and has stickiness on both sides. It is an environmentally friendly adhesive. Because its structure is similar to a film, the entire surface is glued, so the bonding fastness is much stronger than that of hot melt adhesive film. , but the bonded product will be greatly affected in terms of air permeability.

    TPU Hot Melt Adhesive Film can be divided into high melting point type and low melting point type. They have significant differences in characteristics except for different operating temperatures: high temperature TPU hot melt adhesive film has good elasticity and transparency, and the color is transparent; and the melting point is higher. Advanced TPU hot melt adhesive film has better elasticity and transparency. In contrast, the low-temperature TPU hot melt adhesive film has no elasticity, and its color is white and matte.

    There are two types of TPU hot melt adhesive film, one with release paper and one without release paper. The type with release paper is also called TPU Hot Melt Adhesive Film with backing paper. It has a double-layer structure, and a layer of release paper is attached to one side of the TPU hot melt adhesive film, which plays a protective role. Release paper is similar to oil paper and contains silicone oil. The model without release paper is also called TPU Hot Melt Adhesive Film. It has a single-layer structure and only one layer of double-sided TPU hot-melt adhesive film. These two types have little difference in product performance, but there are differences in use methods, which should be selected according to the actual use process of customers.

    Factors affecting the price of TPU Hot Melt Adhesive Film include model, thickness, width and demand, etc. If you need a quotation, please contact us. We will provide you with product selection, quotation, free sample delivery and on-site guidance.

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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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