Open-cell PE foam: Sound absorption. Light, Fire-resistant. Used for packaging and Electronic equipments. Open Cell PE Foam sheet is featured by its elasticity, ... light roofs, construction and installation construction adiabatic materials; etc.1,Car seat, 2,roof, 3,foot pad, 4,sunvisors materials, ... 501-45HardnessAsker C55_Standard tolerance high quality Open cell PE foam for sound absorption