Plastic resin is a synthetic material made from polymers, which are long chains of molecules. It serves as the primary ingredient in the production of various plastic products, ranging from containers to toys. The resin can be molded into different shapes when heated, making it versatile for many applications. There are several types of plastic resins, including polyethylene, polypropylene, and polyvinyl chloride (PVC). Each type has unique properties that make it suitable for specific uses. For example, polyethylene is commonly used for bags and bottles, while PVC is often found in pipes and flooring materials.