Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Type KN
Original description
Knauf Fiber Glass duct wrap Type KN
ISO 354 – reverberation chamber· 4 variants
αp per ISO 11654
Create a permanent free account — Access frequency bands, variants and export.
Free. No password required.
| Compare | Value | |
|---|---|---|
| 2 inch | αw0.81 | |
| 2 inch | αw0.77 | |
| 1 1/2 inch | αw0.75 | |
| 1 1/2 inch | αw0.67 |
Weight / density: 0.17 lb/ft²
Dimensions: roll
Distance: 25 mm
