Name: Knauf D 127 acoustic design panel, 10/23R perforation
Creator: Physikalisch-Technische Bundesanstalt (PTB)

Knauf D 127 acoustic design panel, 10/23R perforation – PTB – Physikalisch-Technische Bundesanstalt | Acoustic Index

ISO 354 – reverberation chamber· 2 variants

αw

0.57

αp per ISO 11654

125 Hz

0.65

250 Hz

0.85

500 Hz

0.60

1000 Hz

0.55

2000 Hz

0.45

4000 Hz

0.40

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Compare		Value
	400 mm	αw0.57
	60 mm	αw0.50

Weight / density: <15 kg / m²

Dimensions: 1196 mm x 2001 mm

Knauf D 127 acoustic design panel, 10/23R perforation

Material properties