Mineral woolHighly absorbent

Data source

PTB reference data

Physikalisch-Technische Bundesanstalt

Source: DNA 1968, Tabelle a4-2

Mineral fiber panel, sprayed, on sub-frame

PTB reference data

Original description

Mineral fiber panel, sprayed, on sub-frame

Material properties

Thickness: 20 mm
Wall distance: 30 mm
Surface weight: 2.8 kg/m²
Surface: visible surface consolidated and sprayed (flake pattern)
Flow resistance: 0.091 kPa·s/m²
Mounting: on simple sub-frame, 500 mm x 500 mm cassettes

Measurement data

Sound absorption

ISO 354 – reverberation chamber

αw
0.65

Frequency values

αp nach ISO 11654

f (Hz)1252505001k2k4k
αp0.100.350.800.900.900.85

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Method (354): Measured

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