Physikalisch-Technische Bundesanstalt
Fonte: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Type 703
Descrizione originale
Owens-Corning Type 703 pannello isolante semirigido
ISO 354 – camera riverberante· 8 varianti
αp secondo la ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.85 | 1.25 | 1.25 | 1.10 | 1.00 | 0.95 |
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Gratis. Senza password.
| Confronta | Valore | |||
|---|---|---|---|---|
| 4 inches | 1.00 lb/ft² | 0 | αw1.06 | |
| 4 inches | 1.00 lb/ft² | 405 mm | αw1.04 | |
| 3 inches | 0.75 lb/ft² | 0 | αw1.01 | |
| 3 inches | 0.75 lb/ft² | 405 mm | αw1.01 | |
| 2 inches | 0.50 lb/ft² | 405 mm | αw0.93 | |
| 2 inches | 0.50 lb/ft² | 0 | αw0.87 | |
| 1 inch | 0.25 lb/ft² | 405 mm | αw0.74 | |
| 1 inch | 0.25 lb/ft² | 0 | αw0.64 |
Dimensioni: 24 x 48 inch
