This double-layer frosted PP roll material adopts a unique double-layer frosted process, achieving a dual breakthrough in light transmittance and uniformity. The light transmittance can reach 88%, and the light diffuses evenly when passing through without obvious light spots. The material thickness is available in multiple specifications ranging from 0.3mm to 1.5mm, and the maximum width of the roll material supports 1.2m, meeting the large-scale application requirements of advertising light boxes and commercial sign guidance systems. When applied to advertising light boxes, it can make the LED light source gently fill the picture, making the advertising content rich in color and clear in layers. It is used for high-end signboards. The double-layer matte texture gives the sign a high-end matte visual effect. It not only ensures that the text and patterns are clear and legible, but also avoids reflection and dizziness in strong light, significantly enhancing the recognition and aestheti…