COC vs. PMMA
Both COC and PMMA are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.
For each property being compared, the top bar is COC and the bottom bar is PMMA.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.0 | |
| 3.2 |
| Elongation at Break, % | 2.5 | |
| 4.0 |
| Tensile Strength: Ultimate (UTS), MPa | 60 | |
| 71 |
Thermal Properties
| Thermal Expansion, µm/m-K | 60 | |
| 76 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.0 | |
| 1.2 |
| Refractive Index | 1.5 | |
| 1.5 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.7 | |
| 1.5 |
| Stiffness to Weight: Bending, points | 48 | |
| 42 |
| Strength to Weight: Axial, points | 17 | |
| 17 |
| Strength to Weight: Bending, points | 34 | |
| 32 |
| Thermal Shock Resistance, points | 24 | |
| 21 |