Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: DNA 1968, Tabelle a3.2-8
Value from the PTB table, not verified
Mineral fiber panel, resin-bonded, 30 mm, thickness 30 mm
PTB reference data
Original description
Mineral fiber panel, resin-bonded, 30 mm, thickness 30 mm
Material properties
Thickness: 1.2 in
Wall distance: 2 in
Surface weight: 1.4 kg/m²
Density: 46.5 kg/m³
Flow resistance: 12 Rayl/cm
Mounting: sub-frame 50/1.2 in (non-crossing), 20 in x 20 in grid
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)
NRC
0.85
derived from ISO 354 lab data
Frequency values
αp nach ISO 11654
| f (Hz) | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|
| αp | 0.75 | 1.00 | 0.90 | 0.80 | 0.85 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Value from the PTB table, not verified
NRC: 0.85 (derived from ISO 354 lab data)
Measured values as a table (1 measurement)
| Build-up | NRC | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 30 mm · 46,5 kg/m^3, 1,4 kg/m^2 · 50 mm · Montiert on Lattung 50/30 mm (nicht kreuzend), Felder 500 mm x 500 mm, Air cavity 50 mm | 0.85 | 0.28 | 0.55 | 0.73 | 0.90 | 0.93 | 1.00 | 1.00 | 1.02 | 0.89 | 0.85 | 0.83 | 0.82 | 0.82 | 0.87 | 0.84 | 0.84 | 0.90 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated: