Comparison
rABS Injection Molding vs PETG
A side-by-side comparison of Recycled Acrylonitrile Butadiene Styrene and Polyethylene Terephthalate Glycol.
Physical
Density
1.04-1.08 g/cm³
1.27 g/cm³
Water Absorption (24h)
0.2-0.5 %
0.13 %
Transparency
Opaque
Transparent
Shrinkage
0.5-0.8 %
0.2 – 0.5 %
Mechanical
Young's Modulus
1.8-2.5 GPa
2.1 GPa
Tensile Strength
35-50 MPa
50 MPa
Elongation at Break
5-20 %
120 %
Impact Strength (Izod)
20-50 J/m
100 J/m
Flexural Strength
—
70 MPa
Thermal
Glass Transition Temperature
100-110 °C
80 °C
Melting Point
N/A (amorphous)
—
Continuous Service Temperature
70-85 °C
65 °C
Heat Deflection Temperature
80-95 °C (0.45 MPa)
70 °C
CTE
—
68 × 10⁻⁶ /K
Electrical
Dielectric Constant
2.7-3.0
3.3
Volume Resistivity
10^15-10^17 Ohm·cm
10¹⁴ Ω·cm
Dielectric Strength
15-25 kV/mm
—
Chemical resistance
Acids
Fair resistance
Good
Bases
Fair resistance
Fair
Solvents
Good resistance to weak acids and bases, poor to strong solvents
—
UV Resistance
Poor (requires additives)
Fair
Alcohols
—
Good
Oils
—
Good
Sustainability
Recyclability
Recyclable (check local facilities)
Recyclable
Recycling Code
7 (Other)
1
Carbon Footprint
Lower than virgin ABS
~2.7 kg CO₂e / kg
Bio-based Content
—
0 %