Aug 30,2022

How much do you know about the advantages of TPU film?

TPU film is increasingly popular because of its superior performance and environmental protection concept.

At present, wherever PVC is used, TPU film can become a substitute for PVC. TPU film can not only be laminated with various fabrics, but also can produce products with clear outlines and stable dimensions by vacuum thermoforming.

With the continuous improvement of domestic environmental awareness, the application of TPU film is becoming more and more extensive. Among them, the areas with faster growth rate: shoe upper lining, thermal underwear, transparent underwear, transparent shoulder straps, elastic bands and medical breathable tapes.

In addition, there are also a large number of applications in the field of clothing fabric lamination. The fabric after lamination with TPU film has the effect of waterproof, warm, breathable and breathable, which is very suitable for sports clothing.

Advantages of TPU film

1. Wear resistance
More than five times more wear-resistant than natural rubber, it is one of the preferred materials for wear-resistant products.
2. Tensile properties
The tensile strength is as high as 70MPa, and the elongation at break can be as high as 800%.
3. Tear performance
TPU film has high tear resistance, and its tear strength is better than that of commonly used rubber and plastics.
4, tortuous performance
TPU film can maintain excellent resistance to bending in different environments, which is one of the best choices in polymer materials.
5. Hydrolysis resistance
TPU film has good water resistance under turbidity, and will not undergo significant hydrolysis for 1-2 years.
Polyester series will be completely hydrolyzed if soaked in water at 50 degrees Celsius for half a year or at 70 degrees Celsius for 3 weeks or at 100 degrees Celsius for 3-4 days, which is one of the reasons why TPU film is suitable for environmental protection materials.
6. High temperature resistance and oxidation resistance
TPU film has good oxidation resistance. Generally, the temperature resistance of polyester series can reach 130 degrees Celsius, and the temperature resistance of polyether series can reach 90 degrees Celsius.
7. Oil resistance and chemical resistance
TPU film is a kind of strong polar polymer material, which has little affinity with non-polar mineral oil, and is hardly corroded in fuel oil and mechanical oil. Among them, polyester series products are oil-resistant in TPU film. Sex is better.
8. Low temperature performance
TPU film has very good low temperature resistance, usually reaching -40 degrees Celsius, which is a good substitute for PVC.
9. Air tightness
TPU film is very easy to use high frequency or heat to weld, so it is widely used in inflatable products. Generally speaking, the air tightness of polyester series products is better than that of polyether series.
10. Biomedical properties
TPU film has excellent biocompatibility, non-toxicity, no allergic reaction, no local irritation, no pyrogenicity, so it is widely used in medical, health and other related products as well as sports and protective equipment.

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