Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Fiberglass acoustical blanket, max width: 96 inch, max length: 125 ft
Type KN
PTB reference data
Original description
Fiberglass acoustical blanket, max width: 96 inch, max length: 125 ft
Material properties
Manufacturer: Knauf Fiber Glass
Thickness: 1 inch, 1 1/2 inch
Wall distance: 0 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 6 variants
αw
0.82
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.50 | 0.95 | 1.10 | 1.05 | 1.05 |
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| Compare | Value | ||
|---|---|---|---|
| 1 1/2 inch | 0.19 lb/ft² | αw0.82 | |
| 1 1/2 inch | 0.13 lb/ft² | αw0.78 | |
| 1 1/2 inch | 0.75 lb/ft² | αw0.69 | |
| 1 inch | 0.08 lb/ft² | αw0.61 | |
| 1 inch | 0.13 lb/ft² | αw0.59 | |
| 1 inch | 0.75 lb/ft² | αw0.53 |
Dimensions: roll
Distance: 0
