Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe im Internet
Phenol-resin impregnated fiberglass, aluminized polyester film surface, self-extinguishing, can be washed or cleaned with high-pressure cleaner
GFSA-MEX
PTB reference data
Original description
Phenol-resin impregnated fiberglass, aluminized polyester film surface, self-extinguishing, can be washed or cleaned with high-pressure cleaner
Material properties
Manufacturer: Nordisk Akustik A/S
Thickness: 7 mm
Wall distance: 100 mm, 55 mm, 25 mm
Surface: aluminized polyester film
Up to fire class: self-extinguishing
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.72
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.65 | 0.80 | 0.80 | 0.85 | 0.90 |
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| Compare | Value | |
|---|---|---|
| 100 mm | αw0.72 | |
| 55 mm | αw0.65 | |
| 25 mm | αw0.58 |
Weight / density: 1,2 kg / m²
Dimensions: 1150 x 1300 mm