Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: H. Lenz, Marktübersicht schallabsorbierende Anordnungen, Ruhr Universität Bochum, 1981, Seite 255
Value from the PTB table, not verified
Thermal Ceramics Egi-Dämmplatte EP/V mineral fiber panel
Egi-Dämmplatte – EP/V
PTB reference data
Original description
Thermal Ceramics Egi-Dämmplatte EP/V mineral fiber panel
Material properties
Manufacturer: Thermal Ceramics
Thickness: 20 mm
Wall distance: 200 mm
Up to fire class: non-combustible
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.70
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.50 | 0.80 | 0.65 | 0.70 | 0.75 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20 mm · 200 mm | 0.70 | 0.18 | 0.27 | 0.41 | 0.53 | 0.63 | 0.74 | 0.84 | 0.77 | 0.70 | 0.63 | 0.65 | 0.68 | 0.74 | 0.75 | 0.76 | 0.77 |
Measured values as a table (1 measurement)
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