A plastic crusher, also known as a plastic grinder, is a highly useful machine in the plastic - related industries. Its primary function is to break down various plastic materials into smaller pieces. This includes plastic products like pipes, sheets, films, bottles, and even factory - generated plastic scraps. By reducing these plastics to smaller sizes, it becomes much easier to recycle them, thus playing a crucial role in the plastic recycling process. The machine can handle different types of plastics, such as polyethylene (PE), polypropylene (PP), and polyvinyl chloride (PVC), making it versatile for a wide range of applications.