Compared with PVC, TPU film has unparalleled advantages:
1. TPU film is environmentally friendly, non-toxic, and biodegradable;
2. TPU film has excellent functions such as waterproof and moisture-permeable, wind-proof, cold-proof, oil-resistant, anti-bacterial, and anti-ultraviolet;
3. The internal pressure resistance of TPU film is much greater than that of PVC film;
4. TPU film has high mechanical strength, which is manifested in: excellent performance in terms of bearing capacity, resistance to strong impact and reduction of sensation;
5. TPU film has excellent cold resistance. Even in the case of minus 35 degrees, flexibility, gentleness and other functions will not deteriorate.
6. TPU film has good processing function and can be formed after injection, extrusion and calendering;
7. The transparency of TPU film is better than that of PVC.
Deficiencies of PVC film:
1. PVC film is easy to harden in winter;
2. Many additives are needed in PVC processing.
3. PVC will release harmful chemicals during routine use and disposal.
Of course, PVC film is not completely undesirable, and the price will be much lower than TPU film. This is the biggest reason people use it. Even so, due to the unparalleled superiority of TPU film compared with PVC, TPU is gradually eroding and replacing PVC in the field of film.
The application scope of TPU film roughly has the following aspects:
1. Waterproof and moisture-permeable TPU film used on textiles;
2. Non-yellowing series TPU film used to prevent ultraviolet radiation;
3. Hot melt adhesive film TPU film used for adhesion;
4. TPU film used on shoe materials. Good printability and easy processing make TPU a special shoe material film for sneakers, casual shoes, sandals, etc.;
5. TPU film on blown products.
