Backlit PET Film, made of PET (Polyethylene Terephthalate), is a material used for creating illuminated displays, such as lightboxes. The printing process involves spraying ink on the back of the PET material, allowing for the application of images and text. This technique leverages PET’s transparency and durability, making it suitable for advertising signs, promotional displays, and other applications requiring visual appeal in low-light conditions or at night.

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Product specification:

Feature Specifications
Product Name Backlit PET Film
Material PET
Color White
Size 0.635/0.914/1.07/1.27/1.52*50M
Surface Glossy/Matte

Product description:

Frontlit PET Film and Backlit Film are two different types of lamp materials.Backlit PET Film is a composite of substrate and coating layers, with the coating primarily on the backside. It consists of specialized layers with an opaque light-blocking layer on top. When light hits the material from the front, the ink from the printing on the backside penetrates the coating, resulting in a positive image. The advantage of this approach is that it doesn’t damage the print even when used in backlit lightboxes. It is mainly used for backlit lightboxes, but it comes with limitations.

Key features:

Clarity: PET film is highly transparent and offers exceptional optical clarity, making it suitable for applications where visibility and vivid colors are important.

Strength: It has excellent tensile strength and durability, which makes it resistant to tearing, punctures, and damage during handling and use.

Chemical Resistance: PET film is resistant to many chemicals, oils, and solvents, making it a suitable choice for applications where exposure to these substances is likely.

Temperature Resistance: It can withstand a wide temperature range, from freezing cold to high heat, without deformation or degradation.

Moisture Resistance: PET film is inherently moisture-resistant, making it suitable for outdoor and wet environments.

Dimensional Stability: It maintains its shape and size even under changing environmental conditions, ensuring consistency in applications.


Large outdoor events: Backlit PET Film is suitable for creating vibrant and illuminated displays for large outdoor gatherings, such as festivals, concerts, and sports events, enhancing visual appeal.

Event activities: It is used in event activities, like trade shows, exhibitions, and conferences, to showcase brands, products, and services with backlit displays that capture attendees’ attention.

Business activities: Backlit PET Film is employed in business activities, including advertising campaigns, promotional events, and retail settings, to convey messages effectively with illuminated visuals.

Large real estate 4S shops: The film is utilized in spacious showrooms within the real estate industry, especially in 4S automotive shops, to enhance the presentation of vehicles and brand information through backlit displays, ensuring a captivating customer experience.




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