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PVC-P vs. Melamine

PVC-P belongs to the thermoplastics classification, while melamine belongs to the thermoset plastics. There are 17 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is PVC-P and the bottom bar is melamine.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.4
7.0
Elongation at Break, % 180
1.0
Tensile Strength: Ultimate (UTS), MPa 16
30

Thermal Properties

Maximum Temperature: Autoignition, °C 320
350
Maximum Temperature: Decomposition, °C 250
350
Specific Heat Capacity, J/kg-K 1400
1200
Thermal Conductivity, W/m-K 0.17
0.5
Thermal Expansion, µm/m-K 160
60

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 20
30
Electrical Resistivity Order of Magnitude, 10x Ω-m 11
9.0

Otherwise Unclassified Properties

Density, g/cm3 1.4
1.5

Common Calculations

Stiffness to Weight: Axial, points 0.57
2.6
Stiffness to Weight: Bending, points 28
43
Strength to Weight: Axial, points 3.2
5.6
Strength to Weight: Bending, points 10
14
Thermal Diffusivity, mm2/s 0.090
0.28
Thermal Shock Resistance, points 4.9
5.1