Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968 a 7-5
Value from the PTB table, not verified
Mineral fiber honeycomb structure, non-woven faced, white spray-painted (DNA 1968, a7-5)
PTB reference data
Original description
Mineral fiber honeycomb structure, non-woven faced, white spray-painted (DNA 1968, a7-5)
Material properties
Thickness: 200 mm, 18 mm
Wall distance: 0 mm
Backing: non-woven faced on both sides
Surface: white spray-painted
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.50
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.35 | 0.45 | 0.50 | 0.60 | 0.40 |
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Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 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 | 5000 Hz | 6300 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 200 mm, 18 mm · 0 · Struktur from vertical zur Wand angebrachten panels · vlieskaschiert, white gespritzt | 0.50 | 0.18 | 0.27 | 0.29 | 0.43 | 0.49 | 0.44 | 0.47 | 0.45 | 0.51 | 0.58 | 0.60 | 0.63 | 0.53 | 0.45 | 0.41 | 0.41 | 0.53 |
Measured values as a table (1 measurement)
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