As a new type of green, environmentally friendly, high-performance, and lightweight material, EPP material has been brought closer to the mass market for sale. In recent years, EPP has been applied in more market fields, such as the automotive industry. Under the regulations promoting the reduction of VOC emissions in vehicles, compared to other cushioning and shock absorption materials, EPP material is an ideal cushioning and shock absorption material and structural skeleton material in the automotive industry due to its high performance, safety and environmental protection, non-toxic and odorless properties.