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CPVC vs. UP

CPVC belongs to the thermoplastics classification, while UP belongs to the thermoset plastics. There are 16 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is CPVC and the bottom bar is UP.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.8
17
Elongation at Break, % 4.0
1.0
Tensile Strength: Ultimate (UTS), MPa 50
30

Thermal Properties

Glass Transition Temperature, °C 100
60
Specific Heat Capacity, J/kg-K 780
1200
Thermal Conductivity, W/m-K 0.31
0.7
Thermal Expansion, µm/m-K 65
3.0

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.7
6.0

Otherwise Unclassified Properties

Density, g/cm3 1.5
2.0
Limiting Oxygen Index (LOI), % 57
20

Common Calculations

Stiffness to Weight: Axial, points 1.0
4.7
Stiffness to Weight: Bending, points 32
43
Strength to Weight: Axial, points 9.4
4.2
Strength to Weight: Bending, points 20
11
Thermal Diffusivity, mm2/s 0.27
0.29
Thermal Shock Resistance, points 20
42