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, R duct liner (Manville Linacoustic)
Linacoustic
PTB reference data
Original description
Mat-faced, smooth, R duct liner (Manville Linacoustic)
Material properties
Manufacturer: Manville
Thickness: 1 inch, 1 1/2 inch
Wall distance: 0 mm
Surface: smooth
Application: duct liner
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.77
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.05 | 0.50 | 0.95 | 1.00 | 1.00 | 1.05 |
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| Compare | Value | ||
|---|---|---|---|
| 1 1/2 inch | 0.31 lb/ft² | αw0.77 | |
| 1 inch | 0.23 lb/ft² | αw0.66 |
Dimensions: roll
Distance: 0