Plastic & filmLow absorption
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Manufacturer data
Value from the PTB table, not verified
Unperforated matte sheet without insulation
Barrisol matte sheet unperforated
PTB reference data
Original description
Unperforated matte sheet without insulation
Material properties
Manufacturer: BARRISOL - Normalu S.A.
Wall distance: 100 mm
Surface: matte
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.15
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.10 | 0.15 | 0.10 | 0.10 | 0.05 |
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 | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 mm | 0.15 | 0.05 | 0.05 | 0.06 | 0.07 | 0.10 | 0.12 | 0.15 | 0.13 | 0.11 | 0.10 | 0.08 | 0.07 | 0.08 | 0.09 | 0.07 | 0.06 | 0.05 | 0.01 |
Measured values as a table (1 measurement)
Access frequency bands, variants and export. Create a permanent free account
Last updated: