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CAB vs. Epoxy

CAB belongs to the thermoplastics classification, while epoxy belongs to the thermoset plastics. There are 14 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 50 to 55
4.5
Tensile Strength: Ultimate (UTS), MPa 20 to 50
67

Thermal Properties

Glass Transition Temperature, °C 140
120
Specific Heat Capacity, J/kg-K 1460
1500
Thermal Conductivity, W/m-K 0.25
0.2
Thermal Expansion, µm/m-K 14
100

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 15
16
Electrical Resistivity Order of Magnitude, 10x Ω-m 16
13

Otherwise Unclassified Properties

Density, g/cm3 1.2
1.3
Limiting Oxygen Index (LOI), % 18
20
Refractive Index 1.5
1.6

Common Calculations

Strength to Weight: Axial, points 4.8 to 12
14
Strength to Weight: Bending, points 14 to 25
28
Thermal Diffusivity, mm2/s 0.14 to 0.15
0.1