Polyisoprene is a synthetic rubber that closely resembles natural rubber in its properties. It is made from the polymerization of isoprene, a compound derived from petroleum. Polyisoprene is known for its elasticity, resilience, and resistance to aging, making it suitable for various applications, including tires, medical devices, and footwear. This material is often used as an alternative to natural rubber, especially in products that require consistent quality and performance. Polyisoprene can be produced in different forms, such as solid or liquid, allowing for versatility in manufacturing processes and end-use applications.