The composite damping rubber sound insulation board adopts high elasticity, aging resistant and flame retardant YMS/EVA materials in the center cushioning layer. Combined with inorganic materials with different densities and thickness in the front and back sides, it forms a shock absorption and sound insulation structure, which can effectively isolate medium and low frequency and sub low frequency sound transmission. The characteristic soft sandwich cavity can effectively improve the air sound insulation and the sound transmission effect of shear structure and reduce the cavity size and complex shock absorption structure after the construction of sound insulation layer.
