In modern life, we can see a large number of board cards, whether it is the high-hanging cards on the expressway or the signs issued by major shopping malls, they are all issued by a kind of PVC Foam Board. PVC Foam Board is composed of polyvinyl chloride, so it has some characteristics, such as: waterproof, flame retardant, acid and alkali resistance, mothproof, light weight, heat preservation, sound insulation, shock absorption and other characteristics, so people take these characteristics even more Reasonably used in daily life, such as widely used in passenger cars, train car roofs, box bottom cores, offices, residences, and environmental protection molds, sports equipment, and art materials. According to the production process, the performance characteristics of PVC Foam Board: The surface of the density board is smooth and flat, the material is fine, the performance is stable, the edge is firm, and the surface of the board is well decorated. However, MDF has poor moisture resistance. In contrast, MDF has a weaker nail-holding force than particleboard. If the screws are loosened after tightening, it is difficult to fix the MDF because of its low strength.