SINOtec OPTACust Waffel soft 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

0.25

500 Hz

0.60

1000 Hz

0.90

2000 Hz

1.00

4000 Hz

1.10

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Compare		Value
	50	αw0.68
	35	αw0.53

Weight / density: Pu 30 kg/m^3, Melaminharz 11 kg/m^3

Dimensions: 1000 mm x 1000 mm bzw 1250 mm x 600 mm

Application: Aufkleben

Distance: 0

SINOtec OPTACust Waffel soft foam

Material properties