| S.No | Properties | Araldite GY 257 | Hardener HY 840 |
| 1. | Density at 25˚C g/cm3 | 1.15 | 0.98 |
| 2. | Specific gravity | 1.8 | 2 |
| 3. | Flexural strength kg/cm3 | 450 - 550 | 300 - 400 |