MAkustik MA04 slotted acoustic panel with mineral wool

Type 13/3 – MAkustik MA04 continuous slotted

PTB reference data

Original description

Material properties

Manufacturer: MAkustik

Thickness: 46 mm

Wall distance: 0 mm

Perforation: 19%

Hole size: 3 mm

Backing: 30 mm mineral wool

Surface: non-woven faced

ISO 354 – reverberation chamber

αw

0.59

αp nach ISO 11654

125 Hz

0.10

250 Hz

0.50

500 Hz

1.05

1000 Hz

0.80

2000 Hz

0.60

4000 Hz

0.45

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Method (354): Measured