Comparison
ASA UV Resistant vs PA66
A side-by-side comparison of Acrylonitrile Styrene Acrylate UV Resistant and Polyamide 6,6 (Nylon).
Physical
Density
1.04-1.07 g/cm³
1.14 g/cm³
Water Absorption (24h)
0.2-0.4 %
1.2 %
Transparency
Opaque
Opaque
Shrinkage
0.4-0.7 %
1.5 – 2.0 %
Mechanical
Young's Modulus
2.0-2.8 GPa
3.0 GPa (dry)
Tensile Strength
40-55 MPa
80 MPa
Elongation at Break
20-50 %
60 %
Impact Strength (Izod)
20-40 kJ/m
50 J/m
Flexural Strength
—
110 MPa
Thermal
Glass Transition Temperature
90-105 °C
70 °C
Melting Point
N/A (amorphous)
255 – 265 °C
Continuous Service Temperature
60-80 °C
100 – 120 °C
Heat Deflection Temperature
70-90 °C (1.8 MPa)
75 °C (unfilled)
Electrical
Dielectric Constant
2.8-3.2
4.0
Volume Resistivity
10^13-10^15 Ohm-cm
10¹² Ω·cm
Dielectric Strength
15-20 kV/mm
—
Chemical resistance
Acids
Fair
Poor
Bases
Poor
Good
Solvents
Poor
—
UV Resistance
Excellent
Fair
Alcohols
—
Good
Oils & Fuels
—
Excellent
Sustainability
Recyclability
Recyclable
Recyclable
Recycling Code
7 (Other)
7
Carbon Footprint
Moderate
~7.4 kg CO₂e / kg
Bio-based Content
—
0 – 100 % (bio grades)