Polyurethane foam can be divided into two categories, such as open-cell and closed-cell foam. The former is a plastic with incomplete cell walls and include holes through which air and liquid can ...

A new plant-based substitute for polyurethane foam eliminates the health risk of the material, commonly found in insulation, car seats and other types of cushioning, and it’s more environmentally ...

Now that cold foam is available on store shelves, I needed to find out which ones live up to the hype and which ones fall flat (literally).

Researchers have developed a new type of foam – called capillary foam – that solves many of the problems faced by traditional foams. The foam could be used to make lightweight, sustainable materials.

Per- and polyfluoroalkyl substances (PFAS) have been used in aqueous film-forming foams (AFFFs) for fighting liquid fuel fires since the 1970s. Fluorine-free foams are foams that do not contain any ...

The European Union would ban all per- and polyfluoroalkyl substances (PFAS) in firefighting foams under a Feb. 23 proposal from the European Chemicals Agency (ECHA). PFAS are a family of thousands of ...

Liquid foams have a remarkable property: they completely block the transmission of sound over a wide range of frequencies. Physicists have studied how sound is attenuated in liquid foams. Their ...