A lightweight sound insulation material (10) with improved sound absorption performance and sound insulation performance and a method for forming the sound insulation material are provided. A high-density air-permeability adjustment film (12) is formed by ...

To provide a vehicle fender liner configured to easily form a solid shape and exhibit superior sound-absorption performance and excellent anti-icing, a fender liner 10 serving as a sound-absorption member to be attached to a vehicle includes a base-materia...