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FiberAcoustic® FR PET 451 sound absorption coefficient










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Technical data

  FiberAcoustic  Standard   Unit   Value (MD/CD)
 Weight  ISO 9073-1  g/m²  450
 Breaking strength  ISO 9073-3  N  425/800
 Elongation at break  ISO 9073-3  %  80/55
 Thickness  ISO 9073-2  mm  2.5
 Acoustic impedance    Ns/m³  600
 Fibre blend  100% polyester, flame retardant

MD: Machine direction
CD: Cross direction

FiberAcoustic for sound absorbtion