Gypsum board on batten with mineral fiber blanket (DNA 1968, c1-8)
NRC 0.10
PTB reference data
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Reference surfaceLow-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA-Tabelle 1968, c1-8
Value from the PTB table, not verified
Original description
Gypsum board on batten with mineral fiber blanket (DNA 1968, c1-8)
Material properties
Thickness: 0.49 in
Wall distance: 3.9 in
Dimensions: 59 x 49 in
Surface weight: 2.3 lb/ft²
Backing: mineral fiber blanket
Mounting: on batten
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.10
derived from ISO 354 lab data
Frequency values
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Value from the PTB table, not verified
NRC: 0.10 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 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 | 5000 Hz | 6300 Hz |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.49 in · 3.9 in | 0.10 | 0.33 | 0.30 | 0.20 | 0.13 | 0.12 | 0.11 | 0.09 | 0.08 | 0.08 | 0.07 | 0.06 | 0.06 | 0.06 | 0.06 | 0.08 | 0.06 | 0.10 | 0.08 | 0.06 |
Measured values as a table (1 measurement)
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