Sonitus

Absorption comparison

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Sound absorption coefficient αs

  • Bluefiber Panel II.12 · Direct · αw = 0.25 (class E)
  • Bluefiber Panel II.12 · 200 mm air gap · αw = 0.90 (class A)
0.0 0.2 0.4 0.6 0.8 1.0 1.2 100 Hz 125 Hz 160 Hz 200 Hz 250 Hz 315 Hz 400 Hz 500 Hz 630 Hz 800 Hz 1 kHz 1.25 kHz 1.6 kHz 2 kHz 2.5 kHz 3.15 kHz 4 kHz 5 kHz Bluefiber Panel II.12 · Direct · 100 Hz: α = 0.03 Bluefiber Panel II.12 · Direct · 125 Hz: α = 0.02 Bluefiber Panel II.12 · Direct · 160 Hz: α = 0.02 Bluefiber Panel II.12 · Direct · 200 Hz: α = 0.04 Bluefiber Panel II.12 · Direct · 250 Hz: α = 0.07 Bluefiber Panel II.12 · Direct · 315 Hz: α = 0.10 Bluefiber Panel II.12 · Direct · 400 Hz: α = 0.14 Bluefiber Panel II.12 · Direct · 500 Hz: α = 0.22 Bluefiber Panel II.12 · Direct · 630 Hz: α = 0.29 Bluefiber Panel II.12 · Direct · 800 Hz: α = 0.41 Bluefiber Panel II.12 · Direct · 1 kHz: α = 0.53 Bluefiber Panel II.12 · Direct · 1.25 kHz: α = 0.62 Bluefiber Panel II.12 · Direct · 1.6 kHz: α = 0.75 Bluefiber Panel II.12 · Direct · 2 kHz: α = 0.81 Bluefiber Panel II.12 · Direct · 2.5 kHz: α = 0.89 Bluefiber Panel II.12 · Direct · 3.15 kHz: α = 0.96 Bluefiber Panel II.12 · Direct · 4 kHz: α = 0.98 Bluefiber Panel II.12 · Direct · 5 kHz: α = 1.00 Bluefiber Panel II.12 · 200 mm air gap · 100 Hz: α = 0.30 Bluefiber Panel II.12 · 200 mm air gap · 125 Hz: α = 0.43 Bluefiber Panel II.12 · 200 mm air gap · 160 Hz: α = 0.37 Bluefiber Panel II.12 · 200 mm air gap · 200 Hz: α = 0.68 Bluefiber Panel II.12 · 200 mm air gap · 250 Hz: α = 0.73 Bluefiber Panel II.12 · 200 mm air gap · 315 Hz: α = 0.84 Bluefiber Panel II.12 · 200 mm air gap · 400 Hz: α = 0.87 Bluefiber Panel II.12 · 200 mm air gap · 500 Hz: α = 0.91 Bluefiber Panel II.12 · 200 mm air gap · 630 Hz: α = 0.94 Bluefiber Panel II.12 · 200 mm air gap · 800 Hz: α = 0.79 Bluefiber Panel II.12 · 200 mm air gap · 1 kHz: α = 0.77 Bluefiber Panel II.12 · 200 mm air gap · 1.25 kHz: α = 0.86 Bluefiber Panel II.12 · 200 mm air gap · 1.6 kHz: α = 0.90 Bluefiber Panel II.12 · 200 mm air gap · 2 kHz: α = 0.92 Bluefiber Panel II.12 · 200 mm air gap · 2.5 kHz: α = 0.96 Bluefiber Panel II.12 · 200 mm air gap · 3.15 kHz: α = 0.99 Bluefiber Panel II.12 · 200 mm air gap · 4 kHz: α = 0.99 Bluefiber Panel II.12 · 200 mm air gap · 5 kHz: α = 1.01 Frequency
100 Hz125 Hz160 Hz200 Hz250 Hz315 Hz400 Hz500 Hz630 Hz800 Hz1 kHz1.25 kHz1.6 kHz2 kHz2.5 kHz3.15 kHz4 kHz5 kHz αwClass
Bluefiber Panel II.12 · Direct 0.030.020.020.040.070.100.140.220.290.410.530.620.750.810.890.960.981.00 0.25E
Bluefiber Panel II.12 · 200 mm air gap 0.300.430.370.680.730.840.870.910.940.790.770.860.900.920.960.990.991.01 0.90A

Measurement: Sandler AG (αs, ISO 354). αw and class per ISO 11654, as stated in the Sandler product information.