Table 7.
Mechanical properties of PET and PBT articles made by powder bed fusion (PBF) 1 and injection molding (IM).
| Property | Amorphous PET | Crystallized PET | Crystallized PET | PBT | PBT | PBT |
|---|---|---|---|---|---|---|
| Processing | IM | IM | PBF | IM | PBF | PBF |
| Tensile Modulus (GPa) | 1.6 | 1.6 | 3.0 | 2.3 | 2.2 | 2.6–3.08 |
| Tensile Strength (MPa) | 60 | 63 | 66 | 53 | 20 | 32–40 |
| Elongation at Break (%) | 96 | 5.2 | 4.9 | 112 | 1 | 1–2.2 |
| Flexural Modulus (MPa) | 2.5 | 3.5 | 2.7 | n/a | n/a | n/a |
| Flexural Strength (MPa) | 89 | 132 | 113 | n/a | n/a | n/a |
| Remarks | Powder T1 | [24] | [26] | [24] |
1 For PBF parts, the printing orientation is xy direction.