Name: Knauf Perlgips perforated gypsum tile with mineral fiber, 8 mm holes
Creator: Physikalisch-Technische Bundesanstalt (PTB)

Knauf Perlgips perforated gypsum tile with mineral fiber, 8 mm holes – PTB – Physikalisch-Technische Bundesanstalt | Acoustic Index

ISO 354 – reverberation chamber· 2 variants

αw

0.65

αp per ISO 11654

125 Hz

0.80

250 Hz

0.60

500 Hz

0.65

1000 Hz

0.65

2000 Hz

0.60

4000 Hz

0.45

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Compare		Value
	500 mm	αw0.65
	53 mm	αw0.60

Dimensions: 625 x 625 mm

Knauf Perlgips perforated gypsum tile with mineral fiber, 8 mm holes

Material properties