Name: Büro f. Schalltechnik PUR Sinus 30 flexible foam
Creator: Physikalisch-Technische Bundesanstalt (PTB)

Büro f. Schalltechnik PUR Sinus 30 flexible foam – PTB – Physikalisch-Technische Bundesanstalt | Acoustic Index

ISO 354 – reverberation chamber· 2 variants

αw

0.68

αp per ISO 11654

125 Hz

0.20

250 Hz

0.40

500 Hz

0.65

1000 Hz

0.85

2000 Hz

0.90

4000 Hz

1.00

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Compare		Value
	50 mm	αw0.68
	30 mm	αw0.49

Weight / density: ca. 25-30 kg/m³

Dimensions: 1000 x 500 x 50 mm

Büro f. Schalltechnik PUR Sinus 30 flexible foam

Material properties