MakeItFrom.com
Menu (ESC)

UPVC vs. DAP

UPVC belongs to the thermoplastics classification, while DAP belongs to the thermoset plastics. There are 20 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 uPVC and the bottom bar is DAP.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 3.7
13
Elongation at Break, % 58
31
Flexural Strength, MPa 80
62
Impact Strength: Notched Izod, J/m 360
14
Tensile Strength: Ultimate (UTS), MPa 47
28

Thermal Properties

Glass Transition Temperature, °C 85
150
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 69
160
Specific Heat Capacity, J/kg-K 880
1450
Thermal Conductivity, W/m-K 0.16
0.6
Thermal Expansion, µm/m-K 61
25

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.4
5.2
Dielectric Strength (Breakdown Potential), kV/mm 19
40
Electrical Resistivity Order of Magnitude, 10x Ω-m 15
13

Otherwise Unclassified Properties

Density, g/cm3 1.4
1.7

Common Calculations

Stiffness to Weight: Axial, points 1.5
4.1
Stiffness to Weight: Bending, points 37
46
Strength to Weight: Axial, points 9.1
4.5
Strength to Weight: Bending, points 20
12
Thermal Diffusivity, mm2/s 0.13
0.24
Thermal Shock Resistance, points 15
6.3