Soundproof panel has board made of plastic foam, mineral wool or mineral foam, and rubber foam mat of suitable elasticity and thickness attached to each side of board
摘要
<p>The soundproof panel (1) has a board (2) made of plastic foam, mineral wool or mineral foam. A rubber foam plate (3) of suitable elasticity and thickness is attached on each side of the board. The rubber foam mat has a thickness of between 0.5 to 3 mm.</p>
