Ageing Condition | Composite Material | Mean Compressive Strength (MPa), 3sf. | Standard Deviation (SD), 2sf. | P value, 2sf. |
Air | Herculite XRV | 274 | 15 | 0.00013 |
Spectrum TPH | 268 | 27 | ||
SDR | 185 | 10 | ||
Distilled Water | Herculite XRV | 183 | 4.7 | 0.015 |
Spectrum TPH | 263 | 9.3 | ||
SDR | 195 | 24 | ||
Coca-ColaTM | Herculite XRV | 158 | 14 | 0.0003 |
Spectrum TPH | 179 | 11 | ||
SDR | 193 | 6.6 |