PVC decorative film is a new type of decorative material that uses high molecular weight polymer (PVC) as the main raw material, and is refined through processes such as rolling and compounding by adding various additives. It can be combined with various substrates such as wood, plastic board, aluminum plate, iron plate, etc. to form decorative materials with multiple functions. Due to its excellent adaptability and decorative effect, it is widely used in the fields of home appliances, audio equipment surfaces, interior decoration, transportation interior (such as airplanes, ships, trains), and billboards.