Mineral woolHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Mat-faced, smooth, duct liner
Linacoustic
PTB reference data
Original description
Mat-faced, smooth, duct liner
Material properties
Manufacturer: Manville
Thickness: 1 inch, 1 1/2 inch, 2 inches
Wall distance: 0 mm
Surface: smooth
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.86
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.20 | 0.70 | 1.00 | 1.10 | 1.05 | 1.10 |
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | ||
|---|---|---|---|
| 2 inches | 0.22 lb/ft² | αw0.86 | |
| 1 1/2 inch | 0.19 lb/ft² | αw0.75 | |
| 1 inch | 0.22 lb/ft² | αw0.62 |
Dimensions: roll
Distance: 0