Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Sound System Engineering, Don Davis and Carolyn Davis
AF 100 fiberglass insulation blanket
AF 100, 1 inch, mounting 4
PTB reference data
Original description
AF 100 fiberglass insulation blanket
Material properties
Thickness: 1 inch, 2 inch
Mounting: mounting 4
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 5 variants
αw
0.85
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.40 | 0.90 | 1.00 | 1.00 | 0.95 | 0.90 |
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| Compare | Value | |
|---|---|---|
| 2-in | αw0.85 | |
| 2-in | αw0.70 | |
| 2-in | αw0.67 | |
| 1-in | αw0.54 | |
| 1-in | αw0.49 |