WoodBroadband absorber

Data source

PTB reference data

Physikalisch-Technische Bundesanstalt

Source: Produktdatenblatt des Herstellers

Deutsche Heraklith Herakustik F wood wool acoustic panel

Herakustik F

PTB reference data

Original description

Deutsche Heraklith Herakustik F wood wool acoustic panel

Material properties

Manufacturer: Deutsche Heraklith GmbH
Thickness: 25 mm, 35 mm, 50 mm
Wall distance: 0 mm, 30 mm, 40 mm, 50 mm, 80 mm, 200 mm, 220 mm, 270 mm, 290 mm
Backing: 30 mm Heralan, 40 mm Heraflax-SAP, 80 mm Heralan

Measurement data

Sound absorption

ISO 354 – reverberation chamber· 15 variants

αw
0.91

Frequency values

αp per ISO 11654

f (Hz)1252505001k2k4k
αp0.850.950.850.851.000.90

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CompareValue
50 mm20,5 kg / m²80 mm Abstand / 80 mm Heralanαw0.91
35 mm14,5 kg / m²290 mm Abstand / 40 mm Heraflax-SAPαw0.83
25 mm12 kg / m²270 mm Abstand / 40 mm Heraflax-SAPαw0.77
35 mm14,5 kg / m²220 mm Abstand / 40 mm Heraflax-SAPαw0.76
35 mm14,5 kg / m²40 mm Abstand / 40 mm Heraflax-SAPαw0.73
25 mm12 kg / m²40 mm Abstand / 40 mm Heraflax-SAPαw0.70
25 mm12 kg / m²30 mm Abstand / 30 mm Heralanαw0.65
50 mm20,5 kg / m²200 mm Abstandαw0.65
35 mm14,5 kg / m²200 mmαw0.60
50 mm20,5 kg / m²without Abstandαw0.59
25 mm12 kg / m²30 mmαw0.52
35 mm14,5 kg / m²50 mmαw0.50
25 mm12 kg / m²200 mmαw0.48
35 mm14,5 kg / m²without Abstandαw0.47
25 mm12 kg / m²without Abstandαw0.43

Dimensions: 600 / 1200 x 600, 625 / 1250 x 625, 1000 x 500 mm

Application: Decken- and Wandverkleidung

Terms of use

See also