The OPB samples show the potentiality to effect the absorption coefficient of drying method at different energy. OPB was achieved the highest sound absorption coefficient at lower range of frequency level (Hz); meanwhile 20UP5 was able to absorb the sound at the highest sound absorption coefficient at higher range of frequency level (Hz). Meanwhile 20UP5-FC filler was able to absorb the sound at the highest sound absorption coefficient at higher range of frequency level (Hz). This type of polymer composite can be applied for cushion, sound-proof wall or building structure.