FoamHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Imi-Tech Solimide Ac-403 polyimide foam
Ac-403 – Solimide
PTB reference data
Original description
Imi-Tech Solimide Ac-403 polyimide foam
Material properties
Manufacturer: Imi-Tech Corp.
Thickness: 2 inch
Wall distance: 0 mm
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 | 0.25 | 0.50 | 0.95 | 1.05 | 0.95 | 0.95 |
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| Compare | Value | |
|---|---|---|
| 0.25 lb/ft² | αw0.77 | |
| 0.5 lb/ft² | αw0.73 |
Dimensions: 96 x 96 inches
Distance: 0
