PlasticHighly absorbent
Data source
PTB reference data
Physikalisch-Technische Bundesanstalt
Source: C.M.Harris, Noise Control in Buildings, McGraw Hill 1994
Tufcote Type E-100CM polyether urethane foam, 1 mil clear polyester surface
Type E-100CM – Tufcote
PTB reference data
Original description
Tufcote Type E-100CM polyether urethane foam, 1 mil clear polyester surface
Material properties
Manufacturer: E-A-R Specialty Composites
Thickness: 1 inch
Wall distance: 0 mm
Surface: 1 mil clear polyester
Measurement data
Sound absorption
ISO 354 – reverberation chamber
αw
0.62
Frequency values
αp nach ISO 11654
| f (Hz) | 125 | 250 | 500 | 1k | 2k | 4k |
|---|---|---|---|---|---|---|
| αp | 0.15 | 0.75 | 0.65 | 0.80 | 0.70 | 0.75 |
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Method (354): Measured
