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, textured finish
K13FC
PTB reference data
Original description
Cellulose-base fiber, white, sprayed on, textured finish
Material properties
Manufacturer: ICC International Cellulose Corp.
Thickness: 3/4 inch, 1 inch
Wall distance: 0 mm, 400 mm
Surface: textured finish
Mounting: sprayed
Measurement data
Sound absorption
ISO 354 – reverberation chamber· 2 variants
αw
0.80
Frequency values
αp per ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.10 | 0.40 | 0.90 | 1.15 | 1.15 | 1.10 |
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| Compare | Value | |||
|---|---|---|---|---|
| 1 inch | 0.5 lb/ft² | 0 | αw0.80 | |
| 3/4 inch | 0.38 lb/ft² | 400 mm | αw0.72 |
