Name: Microsorber polycarbonate roll absorber, micro-perforated
Creator: Physikalisch-Technische Bundesanstalt (PTB)

Microsorber polycarbonate roll absorber, micro-perforated – PTB – Physikalisch-Technische Bundesanstalt | Acoustic Index

ISO 354 – reverberation chamber· 5 variants

αw

0.49

αp per ISO 11654

125 Hz

0.05

250 Hz

0.20

500 Hz

0.55

1000 Hz

0.75

2000 Hz

0.80

4000 Hz

0.60

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		Value
50 mm	zweilagig / 30 mm Abstand zwischen den Folien	αw0.49
100 mm	zweilagig / 30 mm Abstand zwischen den Folien	αw0.49
100 mm	einlagig	αw0.36
50 mm	einlagig	αw0.30
30 mm	einlagig	αw0.25

Weight / density: 0,14 kg / m"

Dimensions: width: 1000 and 1200 mm

Microsorber polycarbonate roll absorber, micro-perforated

Material properties