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Dongguan Green TPU Co.,Ltd.
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How much do you know about TPU hot melt adhesive film?
​A material in TPU hot melt adhesive film, its main component is TPU, which is a polyurethane elastomer rubber polymer compound, which is an environmentally friendly material, non-toxic and harmless to the human body and the environment, and has oil resistance, water resistance, mildew resistance, and drug resistance. specialty.
2023-07-18
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How much do you know about TPU hot melt adhesive film?

    A material in TPU hot melt adhesive film, its main component is TPU, which is a polyurethane elastomer rubber polymer compound, which is an environmentally friendly material, non-toxic and harmless to the human body and the environment, and has oil resistance, water resistance, mildew resistance, and drug resistance. specialty.

    TPU hot melt adhesive film is usually sold in rolls with certain thickness, width and length specifications. In the industry, the thickness of TPU hot melt adhesive film is usually threaded per unit time, 1 thread is equal to 0.01mm, and the thickness of conventional materials is generally between 2 threads and 300 threads, that is, 0.02mm-3mm, which is not in our world The quality of TPU hot melt adhesive film products is generally not very good. The length of the die head of a machine for making a TPU hot melt adhesive film is generally 1m-1.5m. If the width is less than 1m, the cutting machine is generally used to cut according to the requirements. Therefore, it is theoretically believed that as long as the width fluctuation is used Less than the length of the die, you can provide such a TPU hot melt adhesive film product. The length of each roll of TPU hot melt adhesive film is generally 1m-1.5m, and it can also be customized according to market customer demand information.

    If you want to know the price of TPU hot melt adhesive film, you must know what is the material to be bonded, what kind of process is going to be used for bonding, and the application scenarios of the final product are high and low temperature resistance requirements, washing resistance requirements, and yellowing resistance requirements. Only in this way can the hot melt adhesive film manufacturer recommend suitable TPU hot melt adhesive film products and suitable product specifications for you. After you confirm everything, all TPU hot melt adhesive film quotations are quoted to customers based on price per square meter or gram weight. Inquiry can also be made by meter, roll, or ton, but they are all converted according to the price per square meter.

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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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