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RTPU vs. CAB

Both RTPU and CAB are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 5.0
50 to 55
Tensile Strength: Ultimate (UTS), MPa 75
20 to 50

Thermal Properties

Specific Heat Capacity, J/kg-K 1760
1460
Thermal Conductivity, W/m-K 0.6
0.25
Thermal Expansion, µm/m-K 100
14

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 24
15
Electrical Resistivity Order of Magnitude, 10x Ω-m 14
16

Otherwise Unclassified Properties

Density, g/cm3 1.1
1.2

Common Calculations

Strength to Weight: Axial, points 20
4.8 to 12
Strength to Weight: Bending, points 38
14 to 25
Thermal Diffusivity, mm2/s 0.32
0.14 to 0.15