Flexible polyurethane foam is widely used as padding in a wide range of consumer and industrial items including bedding, underlay carpets, vehicle interiors, chairs, and packaging. This type of polyurethane foam can be produced in virtually any shape and firmness. It is known to be lightweight, comfortable, and durable. Rigid polyurethane foams are used in highly energy-efficient and flexible insulations. These foams are known to significantly reduce energy costs in residential and commercial properties.