As the speed of the shear wave of styrene-butadiene rubber (SBR) is lower than other rubbers, it is more suitable for the acoustic baffle material.

• 虽然SBR橡胶的特性阻抗与海水接近，但经过结构设计，通过将橡胶的压缩形变转换为剪切形变，从而有效降低结构件声速，可以达到与海水失配的目的。