Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
IB150
Original description
Unfaced fiberglass board, bonded with thermosetting resin
ISO 354 – reverberation chamber· 4 variants
αp per ISO 11654
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| Compare | Value | ||
|---|---|---|---|
| 2 1/2 inch | 25 mm | αw0.87 | |
| 2 1/2 inch | 0 | αw0.83 | |
| 1 1/2 inch | 0 | αw0.72 | |
| 1 inch | 0 | αw0.69 |
Weight / density: 0.31 lb/ft²
Dimensions: 24 x 48 inches
