Absorbent with topcoat of LDA12.5SE combined absorbent and aluminized polyester, self adhesive

LA25SE

PTB reference data

Original description

Material properties

Manufacturer: Nordisk Akustik A/S

Thickness: 25 mm

Backing: aluminized polyester

Mounting: self adhesive

ISO 354 – reverberation chamber

αw

0.50

αp nach ISO 11654

125 Hz

0.20

250 Hz

0.20

500 Hz

0.40

1000 Hz

0.75

2000 Hz

0.60

4000 Hz

0.65

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Method (354): Measured