Highly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Painted Linear lay-in board
Classic
PTB reference data
Original description
Painted Linear lay-in board
Material properties
Manufacturer: Tectum
Thickness: 3/4 inch, 1 inch, 1 1/2 inch
Wall distance: 400 mm
Surface: Painted
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 3 variants
αw
0.90
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.70 | 0.85 | 0.80 | 1.05 | 1.00 | 0.95 |
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| Compare | Value | ||
|---|---|---|---|
| 1 1/2 inch | 0.38 lb/ft² | αw0.90 | |
| 1 inch | 0.25 lb/ft² | αw0.84 | |
| 3/4 inch | 0.19 lb/ft² | αw0.77 |
Dimensions: 24 x 48 inches
Distance: 400 mm
