SOUND INSULATING MAT， METHOD OF MANUFACTURING THE SAME， NOISE CONTROL SYSTEM COMPRISING THE SAME AND ITS USE

There is provided a sound insulating mat for sound insulation comprising at least a layer of combined natural fibers-binder web. The web comprises natural fibers in the range of 60 to 9 wt. % of the web; and a synthetic binder in the range of 5 to 40 wt. % of the web. The web comprises a thickness and at least an upper surface and a lower surface opposite each other， and has a bulk density of 40 to 150 kg/m 3. There is also provided a method for manufacturing the sound insulating mat and a noise control system comprising the sound insulating mat.