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PVC-P vs. PBT

Both PVC-P and PBT are thermoplastics. There are 14 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.4
2.7 to 8.7
Elongation at Break, % 180
2.5 to 43
Tensile Strength: Ultimate (UTS), MPa 16
58 to 140

Thermal Properties

Glass Transition Temperature, °C 75
40
Maximum Temperature: Autoignition, °C 320
380
Maximum Temperature: Decomposition, °C 250
380
Melting Onset (Solidus), °C 190
230
Specific Heat Capacity, J/kg-K 1400
1040 to 1200

Otherwise Unclassified Properties

Density, g/cm3 1.4
1.3 to 1.5
Limiting Oxygen Index (LOI), % 44
20

Common Calculations

Stiffness to Weight: Axial, points 0.57
1.1 to 3.2
Stiffness to Weight: Bending, points 28
35 to 45
Strength to Weight: Axial, points 3.2
12 to 25
Strength to Weight: Bending, points 10
25 to 38