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PBT vs. PGA

Both PBT and PGA are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is PBT and the bottom bar is PGA.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3 to 1.5
1.5
Elastic (Young's, Tensile) Modulus, GPa 2.7 to 8.7
6.5
Elongation at Break, % 2.5 to 43
1.0
Maximum Temperature: Decomposition, °C 380
260
Melting Onset (Solidus), °C 230
230
Stiffness to Weight: Axial, points 1.1 to 3.2
2.4
Stiffness to Weight: Bending, points 35 to 45
41
Strength to Weight: Axial, points 12 to 25
10
Strength to Weight: Bending, points 25 to 38
21
Tensile Strength: Ultimate (UTS), MPa 58 to 140
55