Comparison
ABS FDM Filament vs PETG
A side-by-side comparison of Acrylonitrile Butadiene Styrene Filament for FDM and Polyethylene Terephthalate Glycol.
Physical
Density
1.04 g/cm³
1.27 g/cm³
Water Absorption (24h)
0.2-0.4 %
0.13 %
Transparency
Opaque
Transparent
Shrinkage
High (0.5-0.9%)
0.2 – 0.5 %
Mechanical
Young's Modulus
2.0-2.5 GPa
2.1 GPa
Tensile Strength
40-50 MPa
50 MPa
Elongation at Break
5-15 %
120 %
Impact Strength (Izod)
5-10 kJ/m²
100 J/m
Flexural Strength
—
70 MPa
Thermal
Glass Transition Temperature
100-105 °C
80 °C
Melting Point
200-260 °C
—
Continuous Service Temperature
80-90 °C
65 °C
Heat Deflection Temperature
80-95 °C @ 0.45 MPa
70 °C
CTE
—
68 × 10⁻⁶ /K
Electrical
Dielectric Constant
2.8-3.0
3.3
Volume Resistivity
10¹³-10¹⁵ Ω·cm
10¹⁴ Ω·cm
Dielectric Strength
15-20 MV/m
—
Chemical resistance
Acids
Resistant to dilute acids
Good
Bases
Attacked by strong acids and bases
Fair
Solvents
Attacked by acetone, esters, ketones
—
UV Resistance
Poor
Fair
Alcohols
—
Good
Oils
—
Good
Sustainability
Recyclability
Recyclable (ABS stream)
Recyclable
Recycling Code
7 (Other)
1
Carbon Footprint
Moderate to High
~2.7 kg CO₂e / kg
Bio-based Content
—
0 %