Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Fiberglass blanket, max width: 72 inch, max length: 150 inch
Metal building insulation
PTB reference data
Original description
Fiberglass blanket, max width: 72 inch, max length: 150 inch
Material properties
Manufacturer: Knauf Fiber Glass
Thickness: 2 inch, 3 inch, 4 inch, 6 inch
Wall distance: 0 mm
Application: Metal building insulation
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 4 variants
αw
1.13
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 1.20 | 1.35 | 1.00 | 1.00 | 1.10 | 1.05 |
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| Compare | Value | ||
|---|---|---|---|
| 6 inch | 0.33 lb/ft² | αw1.13 | |
| 4 inch | 0.22 lb/ft² | αw0.95 | |
| 3 inch | 0.16 lb/ft² | αw0.85 | |
| 2 inch | 0.11 lb/ft² | αw0.73 |
Dimensions: roll
Distance: 0