Foam (EPE) Expanded polyethylene foam, also known as EPE, is a molded semi-rigid, non-cross linked and closed-cell type of polyethylene foam that has a near-infinite amount of applications due to the following characteristics: Non-abrasive.EPE Foam Sheets are a special sound-proof, heat insulated cushion material. Its surface is smooth and has the functions of shock-proof, water resistance and antisepsis, non-toxic and with no peculiar smell. It is widely used in mattresses in large quantity, construction, food packaging, industrial and electrical packaging.