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The difference between TPU hot melt adhesive film and glass adhesive
TPU hot melt adhesive film has a wide range of bonding, a wide range of hardness, very suitable for various temperature resistance requirements, perfect elasticity, which can keep clothing without deformation, TPU hot melt adhesive film has a wide range of rebound, strong resistance to yellowing, and better bonding effect. Let's understand the difference between TPU hot melt adhesive film and glass adhesive
2023-02-02
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The difference between TPU hot melt adhesive film and glass adhesive

    TPU hot melt adhesive film has a wide range of bonding, a wide range of hardness, very suitable for various temperature resistance requirements, perfect elasticity, which can keep clothing without deformation, TPU hot melt adhesive film has a wide range of rebound, strong resistance to yellowing, and better bonding effect. Let's understand the difference between TPU hot melt adhesive film and glass adhesive

    The usage of TPU hot melt adhesive film and glass adhesive are different

    The use of glass glue I believe many people have seen, you can place the glass glue inside the glue gun, can be used directly in the material, the bonding of goods, but TPU hot melt adhesive film is a need to heat melting to complete the bonding, room temperature TPU hot melt adhesive film is a solid state, is not sticky.

    2, the curing principle is different

    TPU hot melt adhesive film is cured by heating the adhesive into a liquid, after cooling can strengthen the bonding strength, glass adhesive curing is by lifting the moisture in the air and the physical properties of the change.

    3、Different application scenarios

    TPU hot melt adhesive film and glass adhesive can be said to be very widely used adhesives, but they have major differences in each other's adaptation scenarios, TPU hot melt adhesive film can be applied to the focus of shoe materials, clothing, home textiles, building materials industry, and even automotive manufacturing, for the bonding of items such as templates, plastic, metal can also use TPU hot melt adhesive film. The application scenario of glass adhesive is mainly for home decoration, such as doors, floors, windows, balconies, sinks, bathrooms and other sealing and caulking, in general, TPU hot melt adhesive film and glass adhesive are too different, and there is no alternative between the two.

    TPU hot melt adhesive film is the adhesive for bonding in many industries, the use of TPU hot melt adhesive film between the various classes need to be understood in detail, to choose the right specifications of TPU hot melt adhesive film, because it will affect the quality of the finished product, in addition, TPU hot melt adhesive film can also be bonded fabric, a variety of fabric composite bonding is one of the important industry scenarios for the application of hot melt adhesive film, such as clothing industry, textile industry TPU hot melt adhesive film for bonding fabric is a very mature technology.

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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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