Frequency (Hz) | Rubber content (Vol. %) | |||||
0 | 5 | 10 | 15 | 20 | 25 | |
125 | 0.4096 | 0.4096 | 0.3719 | 0.4058 | 0.2881 | 0.3875 |
250 | 0.1854 | 0.2323 | 0.2847 | 0.2663 | 0.1109 | 0.1171 |
500 | 0.4339 | 0.4422 | 0.4582 | 0.4372 | 0.3742 | 0.4663 |
1000 | 0.4896 | 0.5010 | 0.4747 | 0.5342 | 0.4641 | 0.5072 |
2000 | 0.5480 | 0.5516 | 0.6177 | 0.5972 | 0.5530 | 0.5578 |
4000 | 0.5208 | 0.5082 | 0.5444 | 0.4962 | 0.5081 | 0.4890 |
NRC | 0.4312 | 0.4408 | 0.4586 | 0.4561 | 0.3830 | 0.4158 |