Sonitus

Absorption comparison

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Sound absorption coefficient αs

  • Bluefiber Panel I.25 · Direct · αw = 0.55 (class D)
  • Bluefiber Panel I.25 · 200 mm air gap · αw = 0.95 (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 I.25 · Direct · 100 Hz: α = 0.05 Bluefiber Panel I.25 · Direct · 125 Hz: α = 0.05 Bluefiber Panel I.25 · Direct · 160 Hz: α = 0.08 Bluefiber Panel I.25 · Direct · 200 Hz: α = 0.16 Bluefiber Panel I.25 · Direct · 250 Hz: α = 0.23 Bluefiber Panel I.25 · Direct · 315 Hz: α = 0.32 Bluefiber Panel I.25 · Direct · 400 Hz: α = 0.45 Bluefiber Panel I.25 · Direct · 500 Hz: α = 0.56 Bluefiber Panel I.25 · Direct · 630 Hz: α = 0.67 Bluefiber Panel I.25 · Direct · 800 Hz: α = 0.75 Bluefiber Panel I.25 · Direct · 1 kHz: α = 0.80 Bluefiber Panel I.25 · Direct · 1.25 kHz: α = 0.86 Bluefiber Panel I.25 · Direct · 1.6 kHz: α = 0.90 Bluefiber Panel I.25 · Direct · 2 kHz: α = 0.94 Bluefiber Panel I.25 · Direct · 2.5 kHz: α = 0.93 Bluefiber Panel I.25 · Direct · 3.15 kHz: α = 0.98 Bluefiber Panel I.25 · Direct · 4 kHz: α = 0.96 Bluefiber Panel I.25 · Direct · 5 kHz: α = 0.95 Bluefiber Panel I.25 · 200 mm air gap · 100 Hz: α = 0.35 Bluefiber Panel I.25 · 200 mm air gap · 125 Hz: α = 0.39 Bluefiber Panel I.25 · 200 mm air gap · 160 Hz: α = 0.45 Bluefiber Panel I.25 · 200 mm air gap · 200 Hz: α = 0.66 Bluefiber Panel I.25 · 200 mm air gap · 250 Hz: α = 0.78 Bluefiber Panel I.25 · 200 mm air gap · 315 Hz: α = 0.88 Bluefiber Panel I.25 · 200 mm air gap · 400 Hz: α = 0.93 Bluefiber Panel I.25 · 200 mm air gap · 500 Hz: α = 0.93 Bluefiber Panel I.25 · 200 mm air gap · 630 Hz: α = 0.94 Bluefiber Panel I.25 · 200 mm air gap · 800 Hz: α = 0.82 Bluefiber Panel I.25 · 200 mm air gap · 1 kHz: α = 0.85 Bluefiber Panel I.25 · 200 mm air gap · 1.25 kHz: α = 0.92 Bluefiber Panel I.25 · 200 mm air gap · 1.6 kHz: α = 0.94 Bluefiber Panel I.25 · 200 mm air gap · 2 kHz: α = 0.94 Bluefiber Panel I.25 · 200 mm air gap · 2.5 kHz: α = 0.97 Bluefiber Panel I.25 · 200 mm air gap · 3.15 kHz: α = 1.02 Bluefiber Panel I.25 · 200 mm air gap · 4 kHz: α = 1.01 Bluefiber Panel I.25 · 200 mm air gap · 5 kHz: α = 0.99 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 I.25 · Direct 0.050.050.080.160.230.320.450.560.670.750.800.860.900.940.930.980.960.95 0.55D
Bluefiber Panel I.25 · 200 mm air gap 0.350.390.450.660.780.880.930.930.940.820.850.920.940.940.971.021.010.99 0.95A

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