Fiches techniques — Catégorie : PETG & derivatives
PETG — Technical Specifications
Matériau
PETG
Bambu Lab
Physical properties
Density
1.28 g/cm³
Merger Index (MFI)
28.2 ± 2.7 g/10 min
Melting point
214 °C
Glass transition temperature (Tg)
66 °C
Crystallization temperature
N / A
Vicat softening temperature
70 °C
Load deflection temperature (HDT) — @0.45 MPa
69 °C
Load deflection temperature (HDT) — @1.8 MPa
62 °C
Water absorption rate (25°C, 55% RH)
0.40%
Chemical stability
Stable (normal storage/handling)
Chemical resistance
Acids/Alkali: not resistant; Solvents: not resistant to some; Oils/Greases: resistant
Flammability
Flammable
Odor / Combustion products
Odorless; combustion: H₂O, carbon oxides; odorless
Mechanical properties
Young's modulus — XY
1810 ± 190 MPa
Young's modulus — Z
1540 ± 130 MPa
Tensile strength — XY
34 ± 4 MPa
Tensile strength — Z
23 ± 4 MPa
Elongation at break — XY
8.6 ± 1.2%
Elongation at break — Z
5.1 ± 0.8%
Bending modulus — XY
2050 ± 120 MPa
Bending modulus — Z
1810 ± 140 MPa
Flexural strength — XY
64 ± 3 MPa
Flexural strength — Z
48 ± 4 MPa
XY impact resistance
31.5 ± 2.2 kJ/m²; 6.2 ± 1.8 kJ/m² (notched)
Impact resistance Z
10.6 ± 1.2 kJ/m²
Hardness
—
Thermal properties
Glass transition temperature
66 °C
Decomposition temperature
—
Coefficient of thermal expansion
—