pet rainbow film

Product Details

Zhejiang Zhongjie Packaging Material Co.,Ltd production of iridescent pet rainbow film involves several key steps, as outlined in your guide:

1. Polyester PET Material Selection:

• Begin with high-quality PET resin, a versatile material widely used for various film applications.

• PET resin is known for its clarity, strength, and ability to undergo extrusion processes effectively.

2. Coloring Agents:

• Introduce colorants or additives to create a rainbow-like effect.

• Options include:

• Interference pigments: These pigments cause thin-film interference, leading to the creation of vibrant and shifting colors.

• Holographic materials: Specialized holographic elements can contribute to the iridescence and rainbow effect.

3. Film Extrusion:

• Utilize a film extrusion process to transform the PET resin into a thin film.

• The film extrusion process typically involves the following steps:

• Heating the Resin: PET resin is heated to a molten state, making it suitable for processing.

• Forcing Through a Die: The molten resin is forced through a die or a series of dies to shape it into a thin film.

• Cooling and Solidification: The newly formed film is cooled and solidified to maintain its shape.

• Winding or Cutting: The film is then wound onto rolls or cut into sheets, depending on the intended application.

The incorporation of interference pigments, holographic materials, or other specialized additives during the extrusion process contributes to the creation of the rainbow-like effect in the PET film. The result is a visually appealing film with vibrant and dynamic colors that change as the viewing angle or lighting conditions change.

This iridescent pet rainbow film, with its unique optical properties, can find applications in various industries such as packaging, labeling, and decorative purposes where an eye-catching and iridescent appearance is desired.