PaperHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Cellulose-base fiber, white, sprayed on, "carpet" finish
K13
PTB reference data
Original description
Cellulose-base fiber, white, sprayed on, "carpet" finish
Material properties
Manufacturer: ICC International Cellulose Corp.
Thickness: 1 inch, 3 inch
Wall distance: 0 mm
Surface: carpet finish
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.94
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.60 | 1.00 | 1.05 | 1.05 | 1.00 | 1.00 |
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| Compare | Value | ||
|---|---|---|---|
| 3 inch | 0.88 lb/ft² | αw0.94 | |
| 1 inch | 0.29 lb/ft² | αw0.83 |
Distance: 0
