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Dongguan Green TPU Co.,Ltd.
15year TPU film/TPU hot melt adhesive film custom manufacturer
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TPU film properties
TPU film is a functional film with the characteristics of high strength, good toughness, cold resistance, oil resistance, aging resistance, weather resistance, environmental protection, non-toxicity, and decomposability.
2022-04-18
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TPU film properties

TPU film is a functional film with the characteristics of high strength, good toughness, cold resistance, oil resistance, aging resistance, weather resistance, environmental protection, non-toxicity, and decomposability. Unmatched by other plastic materials. At the same time, TPU film has many excellent functions such as high waterproof, wind resistance, cold resistance, antibacterial, warmth retention, UV resistance, and energy release, and is widely used in various fields. High resilience (elongation 300%-600% without deformation), high wear resistance, cold resistance (physical properties -40 to -70 unchanged), hydrolysis resistance, high and low temperature resistance, flex resistance, mildew resistance, antibacterial, waterproof , moisture permeability, environmental protection (recyclable, decomposable), has now widely replaced PVC products.

TPU film materials are divided into two categories: polyester and polyether. Polyester TPU film has outstanding oil resistance and chemical resistance; polyether TPU film is characterized by low temperature resistance, hydrolysis resistance, and microorganism resistance. It can be processed into films of different shapes and hardnesses according to customer requirements. The polyester film in TPU film has good heat resistance, chemical resistance, solvent resistance and air tightness, and the process is simple and easy, so it is widely used to replace PVC film products in various applications. Polyether TPU film has good hydrolysis resistance and low temperature resistance, excellent antibacterial and antifungal properties, very suitable for water sports and medical supplies.

TPU film is made of TPU particles through calendering, casting, film blowing and coating.

Features of TPU film: excellent structure and mechanical properties, wear-resistant floor anti-skid, excellent ultra-low temperature flexibility, excellent production and processing fluidity and rapid prototyping technology, low temperature and high temperature resistance, good clarity, stable extrusion performance, stable melting point.

TPU film application range:

TPU film has been widely used in shoes, clothing, inflatable toys, water and underwater sports equipment, medical equipment, fitness equipment, car seat materials, umbrellas, luggage, leather bags, etc.

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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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