Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 134
Value from the PTB table, not verified
Isover mineral fiber panel W, Filz 320
Isover – Panel W, Filz 320
PTB reference data
Original description
Isover mineral fiber panel W, Filz 320
Material properties
Manufacturer: Saint-Gobain Isover G+H AG
Thickness: 1.6 in, 2.4 in, 3.1 in
Wall distance: 0 in, 2 in
Up to fire class: non-combustible
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 7 variants
NRC
0.95
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.35 | 0.70 | 1.00 | 1.00 | 1.00 | 1.00 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | ||
|---|---|---|---|
| 1.6 in | 2 in | NRC0.95 | |
| 2.4 in | 0 | NRC0.95 | |
| 2.4 in | 2 in | NRC1.00 | |
| 3.1 in | 0 | NRC1.00 | |
| 3.1 in | 2 in | NRC1.05 | |
| 1.6 in | 0 | NRC0.75 | |
| 3.1 in | 2 in with gelochter Gipskartonplatte abgedeckt, Lochanteil 20 % | NRC0.95 |
NRC: 0.95 (derived from ISO 354 lab data)
Weight / density: ca. 20 kg / m³
Dimensions: Platte W: 1250 x 24 in, thickness 1.6 in Filz 320: 1200 x 394 in, thickness 2 in
Measured values as a table (7 measurements)
| Build-up | NRC | 125 Hz | 160 Hz | 200 Hz | 250 Hz | 315 Hz | 400 Hz | 500 Hz | 630 Hz | 800 Hz | 1000 Hz | 1250 Hz | 1600 Hz | 2000 Hz | 2500 Hz | 3150 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40 mm · ca. 20 kg / m³ · 0 | 0.75 | 0.17 | 0.23 | 0.32 | 0.43 | 0.53 | 0.63 | 0.76 | 0.80 | 0.82 | 0.86 | 0.88 | 0.92 | 0.95 | 0.98 | 1.00 | 1.01 |
| 40 mm · ca. 20 kg / m³ · 50 mm | 0.95 | 0.25 | 0.40 | 0.58 | 0.74 | 0.81 | 0.94 | 1.03 | 1.03 | 1.02 | 1.02 | 1.04 | 1.06 | 1.08 | 1.12 | 1.16 | 1.19 |
| 60 mm · ca. 20 kg / m³ · 0 | 0.95 | 0.24 | 0.40 | 0.59 | 0.75 | 0.83 | 0.93 | 1.04 | 1.01 | 0.99 | 0.96 | 0.99 | 1.00 | 1.02 | 1.03 | 1.05 | 1.06 |
| 60 mm · ca. 20 kg / m³ · 50 mm | 1.00 | 0.33 | 0.50 | 0.72 | 0.95 | 0.99 | 1.00 | 1.04 | 1.03 | 1.02 | 1.01 | 1.01 | 1.01 | 1.01 | 1.03 | 1.06 | 1.08 |
| 80 mm · ca. 20 kg / m³ · 0 | 1.00 | 0.32 | 0.50 | 0.78 | 0.95 | 1.00 | 1.05 | 1.07 | 1.05 | 1.01 | 1.00 | 1.01 | 1.03 | 1.05 | 1.07 | 1.10 | 1.13 |
| 80 mm · ca. 20 kg / m³ · 50 mm | 1.05 | 0.42 | 0.63 | 0.90 | 1.12 | 1.10 | 1.09 | 1.07 | 1.04 | 1.01 | 0.99 | 1.01 | 1.04 | 1.06 | 1.07 | 1.08 | 1.08 |
| 80 mm · ca. 20 kg / m³ · 50 mm with gelochter Gipskartonplatte abgedeckt, Lochanteil 20 % | 0.95 | 0.46 | 0.68 | 0.98 | 1.17 | 1.10 | 1.05 | 1.02 | 1.00 | 0.95 | 0.93 | 0.84 | 0.78 | 0.70 | 0.65 | 0.60 | 0.54 |
Measured values as a table (7 measurements)
Access frequency bands, variants and export. Create a permanent free account
Last updated:
