MakeItFrom.com
Menu (ESC)

PPSU vs. PMMA

Both PPSU and PMMA are thermoplastics. There are 24 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 PPSU and the bottom bar is PMMA.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 140
120
Elastic (Young's, Tensile) Modulus, GPa 3.6
3.2
Elongation at Break, % 26
4.0
Flexural Strength, MPa 130
110
Impact Strength: Notched Izod, J/m 80
74
Rockwell M Hardness 84
93
Tensile Strength: Ultimate (UTS), MPa 95
71

Thermal Properties

Glass Transition Temperature, °C 220
110
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 210
96
Maximum Temperature: Autoignition, °C 580
320
Maximum Temperature: Decomposition, °C 560
360
Specific Heat Capacity, J/kg-K 970
1260
Thermal Conductivity, W/m-K 0.24
0.19
Thermal Expansion, µm/m-K 45
76

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.8
3.6
Dielectric Strength (Breakdown Potential), kV/mm 16
30

Otherwise Unclassified Properties

Density, g/cm3 1.4
1.2
Limiting Oxygen Index (LOI), % 38
17

Common Calculations

Stiffness to Weight: Axial, points 1.4
1.5
Stiffness to Weight: Bending, points 36
42
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 33
32
Thermal Diffusivity, mm2/s 0.17
0.13
Thermal Shock Resistance, points 42
21