OtherHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Dalenbäck, Datensatz der CATT-Software, November 2000. Data-Category in CATT: MINERALWOOL2, C: Ceilings, D: 50
Value from the PTB table, not verified
Ceiling tiles, 50 mm thick, against ceiling
PTB reference data
Original description
Ceiling tiles, 50 mm thick, against ceiling
Material properties
Thickness: 50 mm
Mounting: mounted directly on ceiling
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.85
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.55 | 0.90 | 1.00 | 1.00 | 0.95 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
Value from the PTB table, not verified
Measured values as a table (1 measurement)
| Build-up | αw | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| Measurement 1 | 0.85 | 0.15 | 0.56 | 0.88 | 0.99 | 0.99 | 0.95 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated: