Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Ceramic and mineral fiber, non-combustible, lay-in panel
Type 602
PTB reference data
Original description
Ceramic and mineral fiber, non-combustible, lay-in panel
Material properties
Manufacturer: Armstrong World Industries
Thickness: 5/8 inch
Wall distance: 400 mm
Up to fire class: non-combustible
Mounting: lay-in panel
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.59
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.25 | 0.50 | 0.75 | 0.90 | 0.85 |
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Method (354): Measured