Binder No. | Polymer content (%) | Loss on heating (%) | Penetration before TFOT (0.1 mm) | Retained Penetration after TFOT (%) |
Control | 0 | 0.190 | 60 | 69 |
PMMA1 | 4 | 0.16 | 53 | 79 |
5 | 0.15 | 48 | 82 | |
6 | 0.12 | 44 | 86 | |
7 | 0.10 | 38 | 89 | |
8 | 0.08 | 37 | 89 | |
PMMA2 | 4 | 0.18 | 56 | 73 |
5 | 0.17 | 52 | 74 | |
6 | 0.15 | 50 | 76 | |
7 | 0.14 | 46 | 80 | |
8 | 0.12 | 45 | 80 |