Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer's product sheet
Value from the PTB table, not verified
Ecophon Super-G glass wool panel, glass tissue faced
Ecophon – Super-G, A
PTB reference data
Original description
Ecophon Super-G glass wool panel, glass tissue faced
Material properties
Manufacturer: Ecophon GmbH
Thickness: 1.6 in
Wall distance: 7.9 in
Backing: glass tissue faced
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.95
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.45 | 0.85 | 1.00 | 0.95 | 1.00 | 0.95 |
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Value from the PTB table, not verified
NRC: 0.95 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 63 Hz | 80 Hz | 100 Hz | 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 · 200 mm | 0.95 | 0.15 | 0.22 | 0.35 | 0.45 | 0.59 | 0.76 | 0.90 | 0.92 | 0.96 | 1.00 | 0.98 | 0.96 | 0.95 | 0.96 | 0.98 | 1.00 | 0.98 | 0.96 | 0.95 |
Measured values as a table (1 measurement)
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