Review Article
Acoustic Absorption of Natural Fiber Composites
Table 6
Acoustic absorption study of fibrous, granular, and fibrogranular composites [
23].
| Materials | SAC at 500 Hz |
| | Thickness | 30 mm | 40 mm | 50 mm |
| Cotton fiber-rubber granulate | 0.29 | 0.42 | 0.74 | Cotton fiber | 0.34 | 0.37 | 0.62 | Rubber granulate | 0.12 | 0.18 | 0.26 |
|
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