| Test-tubes Young modulus |
R6 |
R31 |
R38 |
R9 |
Averages |
| E0 (MPa) |
1554 |
1442 |
1374 |
1280 |
1412.5 |
| E1 (MPa) |
1451 |
1119 |
1308 |
1062 |
1310 |
| E2 (MPa) |
1410 |
1298 |
1255 |
1030 |
1248.25 |
| E3 (MPa) |
983.2 |
1078 |
998 |
902 |
990.3 |
| σmax (MPa) |
13.6284 |
16.3541 |
14.9913 |
14.6284 |
14.9005 |