PVC elbow uses PVC material, PVC, full name Polyvinyl chloride, the main component of PVC, in addition to other components to enhance its heat resistance, toughness, ductility and so on. The top layer of the surface film is paint, the main ingredient in the middle is PVC, and the bottom layer is back-Coated adhesive. It is a kind of synthetic material which is very popular, widely used and widely used in the world today. Its global usage ranks second in various synthetic materials. According to statistics, in 1995 alone, the production of non-PVC in Europe was about 5 million tons, and its consumption was 5.3 million tons. In Germany, the average production and consumption of PVC is one million and four hundred thousand tons. PVC is being produced and applied worldwide at a rate of 4%. In recent years, the growth of PVC in Southeast Asia is particularly significant, thanks to the urgent need for infrastructure construction in Southeast Asian countries.