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PGA vs. PBT

Both PGA and PBT 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 PGA and the bottom bar is PBT.

Metric UnitsUS Customary Units

Material Properties

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