PlasticHigh-frequency absorber
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: Herstellerangabe manufacturer
Fiberform 62T polyester mat
Fiberform 62T
PTB reference data
Original description
Fiberform 62T polyester mat
Material properties
Manufacturer: Associazione Nazionale Produttori Elementi Leca
Thickness: 25 mm, 50 mm
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.67
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.25 | 0.55 | 0.80 | 0.85 | 0.80 | 0.80 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | ||
|---|---|---|---|
| 50 mm | 40 kg/m^3 | αw0.67 | |
| 25 mm | 30 kg/m^3 | αw0.45 |
