pet pvc tpu rainbow film

 
Zhejiang Zhongjie Packaging Material Co.,Ltd supply many kinds of rainbow film.In general, PET is a versatile material that can be used to create various types of films, including those with unique optical properties. A rainbow effect in a film could be achieved through techniques such as thin-film interference or by incorporating color-changing additives.

Here is a general guide on producing a PET rainbow film:

1. Polyester pet Material Selection:

• Start with high-quality pet resin, which is commonly available in the market.

2. Coloring Agents:

• Introduce colorants or additives that can create a rainbow-like effect. This could include interference pigments, holographic materials, or other specialized additives that produce iridescence.

3. Film Extrusion:

• Use a film extrusion process to melt the PET resin and shape it into a thin film. This process involves heating the resin and then forcing it through a die to create the desired film thickness.