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Dongguan Green TPU Co.,Ltd.
15year TPU film/TPU hot melt adhesive film custom manufacturer
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Features and applications of TPU film
TPU is the abbreviation of Thermoplastic Polyurethane, also known as Polyurethane Thermoplastic.
2021-11-23
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Features and applications of TPU film

TPU is the abbreviation of Thermoplastic Polyurethane, also known as Polyurethane Thermoplastic. It is a linear copolymer composed of oligomer polyol soft segment and diisocyanate chain extender hard segment. TPU film is based on TPU granular materials and is made through special processing techniques such as calendering, casting, film blowing, coating, etc. It is an important form of TPU material application. TPU film not only has excellent high strength, high tension, toughness and anti-aging properties, but also is a mature green material. At present, TPU has been widely used in footwear, clothing, inflatable toys, water and underwater sports equipment, medical equipment, fitness equipment, car seat materials, umbrellas, luggage, handbags, etc. TPU film is widely used in sports shoes. It is based on TPU granular materials and is realized through processes such as calendering, casting, film blowing, and coating.

The use of TPU film:

Footwear: sports shoe logos, sports insoles, hiking shoes, snow shoes, golf shoes, roller skates, fabrics and internal laminates.

Clothing: Snow jackets, raincoats, windbreakers, winter jackets, field suits, diapers, physiological pants and other fabric composites.

Medicines: surgical gowns, hats, shoes, hospital mattresses, ice packs, bandages, plasma bags, medical dressing strips, masks and other fabrics and internal materials, as well as operating bed airbags.

National defense: aircraft fuel tanks, weapon sealing films, tent windows, military water bags, life jackets, inflatable motor boats and other fabrics and inner fabrics, airbags.

Our product specification is 0.02mm-2mm, product advantages: high strength, high tear strength, high oil resistance, low compression set, high flexibility and high softness. Puyou is a private enterprise with multiple TPU film production lines. Since 2012, our company has been engaged in the research and development of TPU film products and other products. If you are interested in our products, please feel free to contact us!

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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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