Comparison
PLA Basic Filament vs PA66
A side-by-side comparison of Polylactic Acid Basic Filament and Polyamide 6,6 (Nylon).
Physical
Density
1.24 g/cm³
1.14 g/cm³
Water Absorption (24h)
0.5-1.0 %
1.2 %
Transparency
Translucent to Opaque
Opaque
Shrinkage
Low (0.2-0.5%)
1.5 – 2.0 %
Mechanical
Young's Modulus
3.0-3.5 GPa
3.0 GPa (dry)
Tensile Strength
50-60 MPa
80 MPa
Elongation at Break
3-5 %
60 %
Impact Strength (Izod)
2-4 kJ/m²
50 J/m
Flexural Strength
—
110 MPa
Thermal
Glass Transition Temperature
60-65 °C
70 °C
Melting Point
150-170 °C
255 – 265 °C
Continuous Service Temperature
40-50 °C
100 – 120 °C
Heat Deflection Temperature
50-55 °C @ 0.45 MPa
75 °C (unfilled)
Electrical
Dielectric Constant
3.0-3.5
4.0
Volume Resistivity
10¹²-10¹⁴ Ω·cm
10¹² Ω·cm
Dielectric Strength
15-20 MV/m
—
Chemical resistance
Acids
Resistant to weak acids
Poor
Bases
Attacked by strong bases
Good
Solvents
Attacked by esters, ketones, and chlorinated hydrocarbons
—
UV Resistance
Poor
Fair
Alcohols
—
Good
Oils & Fuels
—
Excellent
Sustainability
Recyclability
Mechanically Recyclable (limited)
Recyclable
Recycling Code
7 (Other)
7
Carbon Footprint
Moderate
~7.4 kg CO₂e / kg
Bio-based Content
—
0 – 100 % (bio grades)