Sonitus

Absorption comparison

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Sound absorption coefficient αs

  • Bluefiber Panel I.40 · Direct · αw = 0.75 (class C)
  • Bluefiber Panel I.40 · 200 mm air gap · αw = 1.00 (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.40 · Direct · 100 Hz: α = 0.10 Bluefiber Panel I.40 · Direct · 125 Hz: α = 0.11 Bluefiber Panel I.40 · Direct · 160 Hz: α = 0.17 Bluefiber Panel I.40 · Direct · 200 Hz: α = 0.32 Bluefiber Panel I.40 · Direct · 250 Hz: α = 0.44 Bluefiber Panel I.40 · Direct · 315 Hz: α = 0.61 Bluefiber Panel I.40 · Direct · 400 Hz: α = 0.71 Bluefiber Panel I.40 · Direct · 500 Hz: α = 0.81 Bluefiber Panel I.40 · Direct · 630 Hz: α = 0.89 Bluefiber Panel I.40 · Direct · 800 Hz: α = 0.92 Bluefiber Panel I.40 · Direct · 1 kHz: α = 0.96 Bluefiber Panel I.40 · Direct · 1.25 kHz: α = 0.98 Bluefiber Panel I.40 · Direct · 1.6 kHz: α = 1.00 Bluefiber Panel I.40 · Direct · 2 kHz: α = 1.02 Bluefiber Panel I.40 · Direct · 2.5 kHz: α = 1.04 Bluefiber Panel I.40 · Direct · 3.15 kHz: α = 1.04 Bluefiber Panel I.40 · Direct · 4 kHz: α = 1.08 Bluefiber Panel I.40 · Direct · 5 kHz: α = 1.06 Bluefiber Panel I.40 · 200 mm air gap · 100 Hz: α = 0.52 Bluefiber Panel I.40 · 200 mm air gap · 125 Hz: α = 0.50 Bluefiber Panel I.40 · 200 mm air gap · 160 Hz: α = 0.58 Bluefiber Panel I.40 · 200 mm air gap · 200 Hz: α = 0.77 Bluefiber Panel I.40 · 200 mm air gap · 250 Hz: α = 0.85 Bluefiber Panel I.40 · 200 mm air gap · 315 Hz: α = 0.99 Bluefiber Panel I.40 · 200 mm air gap · 400 Hz: α = 0.97 Bluefiber Panel I.40 · 200 mm air gap · 500 Hz: α = 0.98 Bluefiber Panel I.40 · 200 mm air gap · 630 Hz: α = 0.99 Bluefiber Panel I.40 · 200 mm air gap · 800 Hz: α = 0.93 Bluefiber Panel I.40 · 200 mm air gap · 1 kHz: α = 0.93 Bluefiber Panel I.40 · 200 mm air gap · 1.25 kHz: α = 1.00 Bluefiber Panel I.40 · 200 mm air gap · 1.6 kHz: α = 1.00 Bluefiber Panel I.40 · 200 mm air gap · 2 kHz: α = 1.01 Bluefiber Panel I.40 · 200 mm air gap · 2.5 kHz: α = 1.02 Bluefiber Panel I.40 · 200 mm air gap · 3.15 kHz: α = 1.04 Bluefiber Panel I.40 · 200 mm air gap · 4 kHz: α = 1.07 Bluefiber Panel I.40 · 200 mm air gap · 5 kHz: α = 1.03 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.40 · Direct 0.100.110.170.320.440.610.710.810.890.920.960.981.001.021.041.041.081.06 0.75C
Bluefiber Panel I.40 · 200 mm air gap 0.520.500.580.770.850.990.970.980.990.930.931.001.001.011.021.041.071.03 1.00A

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