Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Value from the PTB table, not verified
Rockwool RAF-SE sound-absorbing mineral fiber panel
Sound-absorbing panel – RAF-SE
PTB reference data
Original description
Rockwool RAF-SE sound-absorbing mineral fiber panel
Material properties
Manufacturer: Deutsche Rockwool Mineralwoll GmbH & Co. OHG
Thickness: 20 mm, 30 mm
Wall distance: 0 mm, 200 mm
Backing: non-woven faced on one side with black glass veil
Up to fire class: non-combustible A2
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.85
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 0.65 | 0.95 | 0.75 | 0.85 | 1.00 |
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| Compare | Value | ||
|---|---|---|---|
| 20 mm | 200 mm | αw0.85 | |
| 30 mm | 0 | αw0.65 |
Dimensions: 1000 x 625 mm
Measured values as a table (2 measurements)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 20 mm · 200 mm | 0.85 | 0.32 | 0.64 | 0.93 | 0.74 | 0.85 | 0.99 |
| 30 mm · 0 | 0.65 | 0.05 | 0.34 | 0.81 | 0.99 | 1.06 | 1.07 |
Measured values as a table (2 measurements)
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