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The difference between aliphatic TPU film and aromatic TPU film
​Aromatic TPU film can be used in places with low ultraviolet light exposure, and aromatics will oxidize substances and fade them. Aromatic TPU film is easily oxidized in industrial architectural coatings, so it is more prone to fading under direct sunlight.
2023-03-30
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The difference between aliphatic TPU film and aromatic TPU film

    Aromatic TPU film can be used in places with low ultraviolet light exposure, and aromatics will oxidize substances and fade them. Aromatic TPU film is easily oxidized in industrial architectural coatings, so it is more prone to fading under direct sunlight.

    There are aliphatic TPU films suitable for producing and processing light-stable industrial coatings. Aliphatic TPU films are used where stability to UV light or sunlight must be ensured, such as automotive varnishes and many water-soluble formulations.

    TPU film can be used in various fields, because the raw materials for making TPU film are different from other films, and its raw materials and added solvents are of great help. The price of polyester TPU film is relatively cheap, and the cost is relatively low. The most prominent features are good wear resistance, excellent mechanical strength, excellent oil and ester weather resistance, fashion and environmental protection, and good resilience. TPU film has excellent characteristics such as high strength, high toughness, wear resistance, oil resistance, cold resistance, aging resistance, environmental protection, non-toxicity, and degradability, which are unmatched by other plastics and rubbers. TPU film can be used in various fields, because the raw materials for making TPU film are different from other films, and its raw materials and added solvents are of great help.

    Features of TPU film: TPU film has excellent high tensile strength, high tensile strength, toughness and aging resistance, and is a mature environmental protection material. TPU film has the characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance and weather resistance. This is unmatched by other plastic materials. TPU film has good processing properties and can be molded by injection molding, extrusion and calendering. Our company can produce TPU film products with different thickness, width, color and surface effect according to customer requirements. Products with special requirements for flame retardant and hydrolysis resistance grades need to be tailored!

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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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