Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Value from the PTB table, not verified
Rockwool RP-V stone wool insulation board, non-combustible A1
Insulation board – RP-V
PTB reference data
Original description
Rockwool RP-V stone wool insulation board, non-combustible A1
Material properties
Manufacturer: Deutsche Rockwool Mineralwoll GmbH & Co. OHG
Thickness: 2 in, 3.9 in
Wall distance: 0 in
Up to fire class: A1
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
1.05
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.30 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
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| Compare | Value | |
|---|---|---|
| 3.9 in | NRC1.05 | |
| 2 in | NRC0.85 |
NRC: 1.05 (derived from ISO 354 lab data)
Dimensions: 1000 x 25 in
Distance: 0
Measured values as a table (2 measurements)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 50 mm · 0 | 0.85 | 0.14 | 0.54 | 0.94 | 0.96 | 0.98 | 1.01 |
| 100 mm · 0 | 1.05 | 0.32 | 1.12 | 1.03 | 0.99 | 1.01 | 1.08 |
Measured values as a table (2 measurements)
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