Name: Heraklith Herakustik HAK F wood wool fiber absorber
Creator: Physikalisch-Technische Bundesanstalt (PTB)

Heraklith Herakustik HAK F wood wool fiber absorber – PTB – Physikalisch-Technische Bundesanstalt | Acoustic Index

ISO 354 – reverberation chamber· 7 variants

αw

0.82

αp per ISO 11654

125 Hz

0.45

250 Hz

0.80

500 Hz

1.00

1000 Hz

0.90

2000 Hz

0.85

4000 Hz

1.00

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		Value
35 mm	290 mm with 40 mm Mineralwollhinterfütterung	αw0.82
25 mm	250 mm with 45 mm Mineralwollhinterfütterung	αw0.79
25 mm	25 mm with 25 mm Mineralwollhinterfütterung	αw0.60
25 mm	30 mm	αw0.49
35 mm	50 mm	αw0.49
35 mm	0	αw0.46
25 mm	0	αw0.39

Weight / density: 15,5 kg / m²

Dimensions: 2000, 1000, 500 mm x 500 mm

Heraklith Herakustik HAK F wood wool fiber absorber

Material properties