Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data: www.isover.de
Value from the PTB table, not verified
Isover Akustic SSP2 glass wool sound absorber panel
Sound absorber panel – Isover-Akustic SSP2
PTB reference data
Original description
Isover Akustic SSP2 glass wool sound absorber panel
Material properties
Manufacturer: Saint-Gobain Isover G+H AG
Thickness: 0.8 in, 1.2 in, 1.6 in, 2 in
Wall distance: 0 in
Surface: black glass veil faced
Up to fire class: A2
Application: wall
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 4 variants
NRC
0.90
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.55 | 0.95 | 1.00 | 1.00 | 1.00 |
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| Compare | Value | |
|---|---|---|
| 2 in | NRC0.90 | |
| 1.6 in | NRC0.80 | |
| 1.2 in | NRC0.75 | |
| 0.8 in | NRC0.60 |
NRC: 0.90 (derived from ISO 354 lab data)
Dimensions: 600 x 49 in
Distance: 0
Measured values as a table (4 measurements)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 20 mm · 0 | 0.60 | 0.08 | 0.21 | 0.54 | 0.73 | 0.90 | 0.92 |
| 30 mm · 0 | 0.75 | 0.15 | 0.39 | 0.67 | 0.85 | 1.00 | 0.97 |
| 40 mm · 0 | 0.80 | 0.22 | 0.49 | 0.79 | 0.94 | 1.04 | 1.02 |
| 50 mm · 0 | 0.90 | 0.23 | 0.57 | 0.94 | 1.02 | 1.02 | 1.08 |
Measured values as a table (4 measurements)
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