Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Glass wool building blanket (Bradford Insulation Flexitel)
Flexitel
PTB reference data
Original description
Glass wool building blanket (Bradford Insulation Flexitel)
Material properties
Manufacturer: Bradford Insulation
Thickness: 25 mm, 50 mm
Wall distance: 0 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.84
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.65 | 0.90 | 1.05 | 1.00 | 1.00 |
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| Compare | Value | ||
|---|---|---|---|
| 50 mm | 1.2 kg / m² | αw0.84 | |
| 25 mm | 0.60 kg / m² | αw0.70 |
Dimensions: 120 cm x 15 m
Distance: 0