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CAB vs. PPE

Both CAB and PPE are thermoplastics. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is CAB and the bottom bar is PPE.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 50 to 55
30
Flexural Strength, MPa 21 to 57
75
Tensile Strength: Ultimate (UTS), MPa 20 to 50
55

Thermal Properties

Glass Transition Temperature, °C 140
85
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 53 to 82
120
Specific Heat Capacity, J/kg-K 1460
1200
Thermal Conductivity, W/m-K 0.25
0.22
Thermal Expansion, µm/m-K 14
90
Vicat Softening Temperature, °C 90 to 120
140

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 MHz 3.6
2.7
Dielectric Strength (Breakdown Potential), kV/mm 15
19
Electrical Resistivity Order of Magnitude, 10x Ω-m 16
13

Otherwise Unclassified Properties

Density, g/cm3 1.2
1.1
Water Absorption After 24 Hours, % 1.2 to 1.6
0.23

Common Calculations

Strength to Weight: Axial, points 4.8 to 12
14
Strength to Weight: Bending, points 14 to 25
30
Thermal Diffusivity, mm2/s 0.14 to 0.15
0.17