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TPU hot melt adhesive film is a kind of adhesive film
TPU hot melt adhesive film is a kind of adhesive film, which has a very good utilization rate in today's composite material industry. Its environmentally friendly and efficient characteristics are quietly changing the direction of adhesive selection in various industries. From a professional point of view, this statement is not very accurate and is prone to some controversy. The point of contention is that this question is asking at what temperature the TPU hot melt adhesive film is better for welding.
2022-02-11
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TPU hot melt adhesive film is a kind of adhesive film

TPU hot melt adhesive film is a kind of adhesive film, which has a very good utilization rate in today's composite material industry. Its environmentally friendly and efficient characteristics are quietly changing the direction of adhesive selection in various industries. From a professional point of view, this statement is not very accurate and is prone to some controversy. The point of contention is that this question is asking at what temperature the TPU hot melt adhesive film is better for welding.

The temperature that TPU hot melt adhesive film is more suitable for welding is based on the temperature resistance of the material to be adhered, and then the type of TPU hot melt adhesive film used is selected according to the requirements of the material. compatibility. Through these two dimensions, we can basically determine which specification of TPU hot melt adhesive film to use. The pressing equipment used when the TPU hot melt adhesive film is melted is set at a lower temperature, thereby reducing energy consumption and saving economic costs. First of all, we should consider what kind of TPU hot melt adhesive film is suitable for bonding materials.

At present, TPU hot melt adhesive film has the advantages of high strength, aging resistance, non-toxicity and good thermal stability. It can be used for bonding between solids such as wood, plastic, fiber, fabric, metal, furniture, lampshade, leather, handicraft, toy electronics, electrical components, paper products, ceramics, pearl cotton packaging, etc. It can be widely used in factories and homes.

In fact, we only need to specially select low temperature TPU hot melt adhesive film to bond materials. As long as the use temperature of the TPU hot melt adhesive film is lower than the softening temperature of the material itself, it can be ensured that the adhesive material will not be deformed during the hot pressing process. When material developers choose TPU hot-melt adhesive film, they need to consider this issue in advance, narrow the range of TPU hot-melt adhesive film models, and get twice the result with half the effort. When you have a certain understanding of TPU hot melt adhesive film, this misunderstanding is actually solved! Therefore, "what is the temperature of the TPU hot melt adhesive film?" The key is the temperature resistance of the material and the compatibility with the hot melt adhesive. melted film

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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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