Mineral wool
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Value from the PTB table, not verified
Unitecta Orion ceiling tile with laminated textured surface
Orion
PTB reference data
Original description
Unitecta Orion ceiling tile with laminated textured surface
Material properties
Manufacturer: Unitecta Oberflächenschutz GmbH
Thickness: 1/2 inch, 1 inch
Wall distance: 16 in
Surface: laminated textured
Application: Ceiling
Measurement data
Sound absorption
Reverberation chamber (ASTM C423 / ISO 354)· 2 variants
NRC
0.95
Frequency values
αp per octave band
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.75 | 0.80 | 0.80 | 1.00 | 1.00 | 1.00 |
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| Compare | Value | ||
|---|---|---|---|
| 1 inch | 1.3 lb/ft² | NRC0.95 | |
| 1/2 inch | 0.7 lb/ft² | NRC0.80 |
NRC: 0.95 (derived from ISO 354 lab data)
Dimensions: 24 x 48 inches
Distance: 16 in
Measured values as a table (2 measurements)
| Build-up | NRC | 125 Hz | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz |
|---|---|---|---|---|---|---|---|
| 1/2 inch · 0.7 lb/ft² · 400 mm | 0.80 | 0.69 | 0.76 | 0.65 | 0.86 | 0.83 | 0.75 |
| 1 inch · 1.3 lb/ft² · 400 mm | 0.95 | 0.74 | 0.82 | 0.82 | 1.05 | 1.06 | 1.09 |
Measured values as a table (2 measurements)
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