What is TPU film? Its advantages and classification.
2026-01-31
Thermoplastic polyurethane film (TPU) is also known as thermoplastic polyurethane film or PU film. Its raw material, thermoplastic polyurethane, was first developed in 1937. For decades, this material has been used to produce a unique category of films, and TPU film outperforms common films such as PP, PE and PVC due to its superior and versatile performance characteristics.
Main advantages of TPU film:
- Exceptional elongation and tensile strength for superior toughness and tensile strength.
- Excellent elastic memory, allowing the film to well restore its original shape after deformation.
- High chemical and microbial resistance for high stability in a variety of challenging operating conditions.
- Outstanding low temperature flexibility which ensures the film remains soft and pliable without becoming brittle even in low temperature conditions.
Classification of TPU films
TPU films are mainly divided into three categories based on chemical structure: polyester-based, polyester-based and polycaprolactone-based. In addition, according to the properties of the material, they can be classified into aromatic and aliphatic types. Scented TPU films have a wide range of applications and are widely used in most consumer goods industries. Aliphatic TPU films, due to their excellent optical clarity and specific adhesion properties, are especially used in areas with high demands on these two properties.
