Table 5 Some natural fibers acoustical absorption coefficient.
From: Recent advances in biodegradable polymers for sustainable applications
Fibers | Absorption Coefficient | Frequency (Hz) | Fiber properties | Reference |
|---|---|---|---|---|
Cotton | 0.50 | 500 | Diameter, 13.5 μm | |
Kenaf | 0.74 | 500 | Thickness, 50 mm | |
Bagasse | 0.13 | 500 | Thickness, 20 mm | |
Ramie | 0.60 | 800 | Thickness, 40 mm | |
Corn | 0.16 | 500 | Thickness, 20 mm | |
Jute | 0.20 | 500 | Diameter, 81.2 μm | |
Flax | 0.40 | 500 | Diameter, 21.8 μm | |
Hemp | 0.60 | 500 | Thickness, 40 mm | |
Coir | 0.84 | 500 | Thickness, 35 mm | |
Sisal | 0.1 | 500 | Diameter, 213 μm |
