| abstract |
(57) [Problem] To provide a soundproof panel which can effectively use waste material of a magnetic material-coated plastic, further improve sound absorption characteristics, and is particularly suitable for use on a lower surface of an elevated road. SOLUTION: A front plate 4 arranged on the sound source side, a back plate 6 arranged on the opposite sound source side, the front plate 4 and the back plate 6 are provided. And a first sound absorbing material 14 made of a foam member or the like disposed on the front plate 4 side. And a second sound-absorbing material 15 substantially formed of a crushed product of a magnetic material-coated plastic disposed on the back plate 6 side. |