PPE vs. PMMA
Both PPE and PMMA are thermoplastics. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is PPE and the bottom bar is PMMA.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 2.3 | |
3.2 |
Elongation at Break, % | 30 | |
4.0 |
Flexural Strength, MPa | 75 | |
110 |
Tensile Strength: Ultimate (UTS), MPa | 55 | |
71 |
Thermal Properties
Glass Transition Temperature, °C | 85 | |
110 |
Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 120 | |
96 |
Maximum Temperature: Autoignition, °C | 430 | |
320 |
Melting Onset (Solidus), °C | 260 | |
180 |
Specific Heat Capacity, J/kg-K | 1200 | |
1260 |
Thermal Conductivity, W/m-K | 0.22 | |
0.19 |
Thermal Expansion, µm/m-K | 90 | |
76 |
Vicat Softening Temperature, °C | 140 | |
90 |
Electrical Properties
Dielectric Strength (Breakdown Potential), kV/mm | 19 | |
30 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.1 | |
1.2 |
Common Calculations
Stiffness to Weight: Axial, points | 1.2 | |
1.5 |
Stiffness to Weight: Bending, points | 42 | |
42 |
Strength to Weight: Axial, points | 14 | |
17 |
Strength to Weight: Bending, points | 30 | |
32 |
Thermal Diffusivity, mm2/s | 0.17 | |
0.13 |
Thermal Shock Resistance, points | 19 | |
21 |