Because of its low thermal conductivity, EPE foam is a popular insulation material for air conditioners, heaters, and pipes. Fire retardants can also be added during the manufacturing process and therefore can be used to fill in walls, and cover floors and ceilings.

Polyurethane. Polyurethane (PU) is a common material used in creating foam for furniture sets, automobile seats, mattress pads, and others. For packaging, polyurethane is very effective for lightweight yet sensitive items, and this material is also good to dampen vibrations.