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Mass lose before and after thermal and natural ageing.
| Samples Codes | Mass Loss (%) | ||
|---|---|---|---|
| Before Ageing | After Accelerated Ageing | After 1 Year of Natural Ageing | |
| NR | 0.256 | 0.263 | 0.282 |
| NR-10 | 0.263 | 0.286 | 0.293 |
| NR-20 | 0.309 | 0.409 | 0.417 |
| NR-30 | 1.059 | 0.963 | 1.095 |
| NR-40 | 2.083 | 1.031 | 2.619 |
| NR-50 | 2.971 | 1.126 | 5.960 |
