Knauf Acoustone mineral fiber panels – PTB – Physikalisch-Technische Bundesanstalt | Acoustic Index

ISO 354 – reverberation chamber· 2 variants

αw

0.72

αp per ISO 11654

125 Hz

0.50

250 Hz

0.45

500 Hz

0.70

1000 Hz

0.95

2000 Hz

0.90

4000 Hz

0.85

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Compare		Value
	"Fissured"	αw0.72
	"Glacier"	αw0.72

Weight / density: ca. 6,5 kg / m²

Dimensions: 625 x 625 mm, 625 x 1250 mm

Distance: 400 mm

Knauf Acoustone mineral fiber panels

Material properties