Comparison
Aromatic Nylon GF vs PETG
A side-by-side comparison of Aromatic Polyamide/Nylon, Glass Fiber Reinforced and Polyethylene Terephthalate Glycol.
Physical
Density
1.20-1.35 g/cm³
1.27 g/cm³
Water Absorption (24h)
0.5-1.5 %
0.13 %
Transparency
Opaque
Transparent
Shrinkage
0.3-0.7 %
0.2 – 0.5 %
Mechanical
Young's Modulus
8-15 GPa
2.1 GPa
Tensile Strength
100-180 MPa
50 MPa
Elongation at Break
3-10 %
120 %
Impact Strength (Izod)
10-30 kJ/m
100 J/m
Flexural Strength
—
70 MPa
Thermal
Glass Transition Temperature
100-150 °C
80 °C
Melting Point
240-290 °C (depending on type)
—
Continuous Service Temperature
120-160 °C
65 °C
Heat Deflection Temperature
200-270 °C (1.8 MPa)
70 °C
CTE
—
68 × 10⁻⁶ /K
Electrical
Dielectric Constant
4.0-5.0
3.3
Volume Resistivity
10^9-10^11 Ohm-cm
10¹⁴ Ω·cm
Dielectric Strength
10-15 kV/mm
—
Chemical resistance
Acids
Good
Good
Bases
Good
Fair
Solvents
Good
—
UV Resistance
Fair to Good
Fair
Alcohols
—
Good
Oils
—
Good
Sustainability
Recyclability
Recyclable
Recyclable
Recycling Code
7 (Other)
1
Carbon Footprint
High
~2.7 kg CO₂e / kg
Bio-based Content
—
0 %