Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Glasswool building blanket with perforated foil facing
PTB reference data
Original description
Glasswool building blanket with perforated foil facing
Material properties
Manufacturer: Bradford Insulation
Thickness: 50 mm, 75 mm, 100 mm
Wall distance: 0 mm
Surface: perforated foil facing
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 4 variants
αw
0.98
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.75 | 0.95 | 1.15 | 1.05 | 1.05 | 0.95 |
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| Compare | Value | ||
|---|---|---|---|
| 100 mm | 1.1 kg / m² | αw0.98 | |
| 75 mm | 1.8 kg / m² | αw0.91 | |
| 50 mm | 0.55 kg / m² | αw0.90 | |
| 75 mm | 0.83 kg / m² | αw0.88 |
Dimensions: 120 cm x 15 m
Distance: 0