Polyurethane foam is a versatile and commonly used material that has a variety of synonyms that are often used interchangeably. Some common synonyms for polyurethane foam include PU foam, foam rubber, flexible foam, cushioning foam, memory foam, and high-resilience foam. PU foam is often used in a wide range of industries such as construction, packaging, furniture upholstery, and automotive manufacturing. Foam rubber is typically used for cushioning and shock absorption in sports equipment and medical devices. Flexible foam is commonly found in mattresses, pillows, and seat cushions. Memory foam is popular for its ability to contour to the shape of the body and provide pressure relief. High-resilience foam is often used for its durability and extended lifespan.