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In fact, TPU film is a kind of plastic products
​Tpu (thermoplastic polyurethane) is becoming more and more popular because of its superior performance and environmental protection concept. Currently, TPU can replace PVC no matter where it is used. But the advantages of tpu, PVC is far behind. Tpu not only has excellent characteristics of high tensile strength, high toughness, and aging resistance, but also is a mature environmental protection material.
2023-02-15
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In fact, TPU film is a kind of plastic products

    Tpu (thermoplastic polyurethane) is becoming more and more popular because of its superior performance and environmental protection concept. Currently, TPU can replace PVC no matter where it is used. But the advantages of tpu, PVC is far behind. Tpu not only has excellent characteristics of high tensile strength, high toughness, and aging resistance, but also is a mature environmental protection material.

    In fact, TPU film is a kind of plastic products, such as rain boots, umbrellas, soles, uppers, etc. in our life. Many other plastic products use films, so the use of TPU films is quite large. With the development of TPU film in China, the situation of oversupply and oversupply has not yet appeared, and there is still a great development prospect in the future. TPU film is the core use of TPU and one of the products with great development potential.

    Through in-line casting and special lamination technology, the peel strength of TPU film and base fabric is higher. After high-frequency welding, it has strong impact resistance and compression resistance, and is suitable for environments with harsh working conditions (mostly military and security products). When making medical devices, the thickness is generally thinner, mostly 0.3 mm.

    The viscosity of TPU film varies according to the constituent materials. Therefore, different materials should be selected according to different tpu. TPU film manufacturers have replaced non-environmentally friendly films and become the trend of environmental protection policies. The TPU film is the focus. Even at minus 35 degrees, functions such as elasticity and softness will not be reduced.

    TPU film is melted and plasticized by tpu pellets through an extruder, extruded from the machine head through a slit die, so that the melt sticks to the cooling roller, and then peeled, stretched, cut, and rolled to obtain a finished product. Its thickness and width, hardness and surface effect can be customized according to customer requirements.

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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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