The gloss level of TPU (Thermoplastic Polyurethane) Bio Based Film is a crucial characteristic that significantly influences its application and market acceptance. As a supplier of TPU Bio Based Film, understanding and controlling the gloss level is essential for meeting the diverse needs of our customers.


Understanding Gloss Level
Gloss is a measure of the specular reflection of light from a surface. In the context of TPU Bio Based Film, the gloss level determines how shiny or matte the film appears. It is typically quantified using a gloss meter, which measures the amount of light reflected at a specific angle (commonly 20°, 60°, or 85°). A high - gloss film reflects a large amount of light in a specular direction, giving it a shiny, mirror - like appearance. On the other hand, a low - gloss or matte film scatters the light more diffusely, resulting in a less shiny and more subdued look.
The gloss level of TPU Bio Based Film can be adjusted during the manufacturing process. This is achieved through various methods, such as modifying the surface texture, using additives, or controlling the processing conditions. For example, adding a matting agent to the TPU formulation can reduce the gloss level by creating a micro - rough surface that scatters light.
Factors Affecting Gloss Level
Material Composition
The type and quality of raw materials used in the TPU Bio Based Film play a significant role in determining the gloss level. Bio - based TPU is made from renewable resources, and the specific composition of these materials can influence the surface properties of the film. For instance, the molecular weight and structure of the bio - based polymers can affect how light interacts with the film surface. A more uniform molecular structure may result in a higher gloss level, as it allows for more regular light reflection.
Manufacturing Process
The manufacturing process of TPU Bio Based Film has a direct impact on its gloss level. Extrusion is one of the most common methods for producing TPU films. During extrusion, factors such as the temperature, pressure, and speed can affect the surface smoothness of the film. Higher extrusion temperatures may lead to a smoother surface and a higher gloss level, while lower temperatures can result in a more textured surface and lower gloss.
Calendering is another process used to produce TPU films. In calendering, the film is passed through a series of rollers to achieve the desired thickness and surface finish. The surface finish of the rollers can be adjusted to create different gloss levels. Smooth rollers will produce a high - gloss film, while textured rollers will result in a low - gloss or matte finish.
Surface Treatment
Surface treatment can also be used to modify the gloss level of TPU Bio Based Film. Coating the film with a clear varnish or a specialized surface treatment can enhance the gloss level by creating a smooth, reflective surface. Conversely, sanding or embossing the film surface can reduce the gloss level by creating a rougher texture.
Applications Based on Gloss Level
High - Gloss Applications
High - gloss TPU Bio Based Film is often used in applications where a shiny, aesthetically pleasing appearance is desired. In the automotive industry, high - gloss TPU films can be used for interior trim, such as dashboard covers and door panels. The shiny surface gives the interior a luxurious and modern look.
In the consumer goods sector, high - gloss TPU films are used for packaging applications. For example, they can be used to package high - end cosmetics, electronics, and fashion accessories. The high - gloss finish enhances the visual appeal of the product and makes it more attractive to consumers. Additionally, high - gloss TPU films can be used in the production of mobile phone cases, providing a sleek and stylish look.
Low - Gloss Applications
Low - gloss or matte TPU Bio Based Film is preferred in applications where a more subdued and non - reflective appearance is required. In the architectural industry, low - gloss TPU films can be used for window films. The non - reflective surface reduces glare and provides a more comfortable viewing experience.
In the medical field, low - gloss TPU films are used for medical device packaging. The matte finish reduces the reflection of light, which can be a distraction during medical procedures. It also gives the packaging a more professional and clean appearance.
Our Offerings as a Supplier
As a supplier of TPU Bio Based Film, we offer a wide range of gloss levels to meet the diverse needs of our customers. We understand that different applications require different gloss characteristics, and we have the expertise and technology to produce films with precise gloss levels.
Our TPU Functional Film series includes both high - gloss and low - gloss options. These films are not only designed to have the desired gloss level but also possess excellent functional properties, such as high strength, flexibility, and chemical resistance.
Our Breathable TPU Film and TPU Breathable Film products also come in various gloss levels. These breathable films are suitable for applications in the textile, footwear, and outdoor equipment industries. The ability to control the gloss level allows our customers to choose the film that best suits their specific design and performance requirements.
Quality Control
We have a strict quality control system in place to ensure that our TPU Bio Based Film meets the highest standards in terms of gloss level and other properties. Our quality control team uses advanced gloss meters to measure the gloss level of each batch of film produced. We also conduct regular inspections of the manufacturing process to ensure that the conditions are optimized for consistent gloss levels.
Contact Us for Procurement
If you are interested in our TPU Bio Based Film products with different gloss levels, we invite you to contact us for procurement and further discussions. Our team of experts is ready to assist you in selecting the right film for your specific application. We can provide samples for you to evaluate the gloss level and other properties of our films. Whether you need high - gloss films for a luxurious appearance or low - gloss films for a non - reflective finish, we have the solutions to meet your needs.
References
- "Thermoplastic Polyurethane Elastomers: Science, Technology, and Applications" by K. C. Frisch and H. K. Hall Jr.
- "Handbook of Plastic Films" edited by O. Olabisi.
- "Polymer Surface and Interface Science" by S. Wu.

