DAP vs. PBT
DAP belongs to the thermoset plastics classification, while PBT belongs to the thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is DAP and the bottom bar is PBT.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 13 | |
2.7 to 8.7 |
Elongation at Break, % | 31 | |
2.5 to 43 |
Flexural Strength, MPa | 62 | |
79 to 210 |
Tensile Strength: Ultimate (UTS), MPa | 28 | |
58 to 140 |
Thermal Properties
Glass Transition Temperature, °C | 150 | |
40 |
Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 160 | |
4.0 |
Specific Heat Capacity, J/kg-K | 1450 | |
1040 to 1200 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.7 | |
1.3 to 1.5 |
Common Calculations
Stiffness to Weight: Axial, points | 4.1 | |
1.1 to 3.2 |
Stiffness to Weight: Bending, points | 46 | |
35 to 45 |
Strength to Weight: Axial, points | 4.5 | |
12 to 25 |
Strength to Weight: Bending, points | 12 | |
25 to 38 |