Properties / Acoustics
Sound absorption coefficient at 250 Hz [–]
Common test standards: ASTM E1050, ISO 10534-2
2 measurements compared
| Experiment | Fungus | Substrate | Density [kg/m³] | Value | Standard / conditions | |
|---|---|---|---|---|---|---|
| Cardboard, finely ground · P. ostreatus (FCL/FCH) | Pleurotus ostreatus | Waste cardboard, finely ground, Wheat bran | 0.2074 ± 0.04 – n = 6 |
ASTM E1050-12 (impedance tube, two-microphone method, Brüel & Kjær type 4206) specimen thickness 38 mm, no air gap Walter & Gürsoy 2022 |
||
| Cardboard, shredded · P. ostreatus (SCL/SCH) | Pleurotus ostreatus | Waste cardboard, shredded, Wheat bran | 0.1609 ± 0.07 – n = 6 |
ASTM E1050-12 (impedance tube, two-microphone method, Brüel & Kjær type 4206) specimen thickness 38 mm, no air gap Walter & Gürsoy 2022 |