MakeItFrom.com
Menu (ESC)

PPSU vs. CA

Both PPSU and CA are thermoplastics. There are 21 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is PPSU and the bottom bar is CA.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 26
25 to 30
Flexural Modulus, GPa 4.7
1.7 to 2.1
Flexural Strength, MPa 130
40 to 55
Tensile Strength: Ultimate (UTS), MPa 95
30 to 37

Thermal Properties

Glass Transition Temperature, °C 220
230
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 210
65 to 75
Heat Deflection Temperature At 455 kPa (66 psi), °C 220
75 to 85
Maximum Temperature: Autoignition, °C 580
400
Maximum Temperature: Decomposition, °C 560
250
Specific Heat Capacity, J/kg-K 970
1500
Thermal Conductivity, W/m-K 0.24
0.25
Thermal Expansion, µm/m-K 45
14

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 MHz 3.4
3.6
Dielectric Strength (Breakdown Potential), kV/mm 16
15
Electrical Resistivity Order of Magnitude, 10x Ω-m 14
16

Otherwise Unclassified Properties

Density, g/cm3 1.4
1.3
Limiting Oxygen Index (LOI), % 38
17
Water Absorption After 24 Hours, % 0.44
2.3

Common Calculations

Strength to Weight: Axial, points 19
6.4 to 7.9
Strength to Weight: Bending, points 33
17 to 19
Thermal Diffusivity, mm2/s 0.17
0.13