MetalHighly absorbent

Data source

PTB reference data

Physikalisch-Technische Bundesanstalt

Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994

Almute Type A300c porous sintered metal panel, 2 inch fiberglass backing

Type A300c – Almute

PTB reference data

Original description

Almute Type A300c porous sintered metal panel, 2 inch fiberglass backing

Material properties

Manufacturer: Peer
Thickness: 2.35 inch
Wall distance: 400 mm
Backing: 2 inch fiberglass

Measurement data

Sound absorption

ISO 354 – reverberation chamber

αw
1.00

Frequency values

αp nach ISO 11654

f (Hz)1252505001k2k4k
αp0.900.901.001.101.051.05

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Method (354): Measured

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