Comparison
Alkyd Coating Resin vs PA66
A side-by-side comparison of Alkyd Resin and Polyamide 6,6 (Nylon).
Physical
Density
1.10-1.25 g/cm³
1.14 g/cm³
Water Absorption (24h)
0.3-1.0 %
1.2 %
Transparency
Amber to Yellow
Opaque
Shrinkage
N/A (occurs during drying)
1.5 – 2.0 %
Mechanical
Young's Modulus
0.5-1.5 GPa (as film)
3.0 GPa (dry)
Tensile Strength
20-40 MPa (as film)
80 MPa
Elongation at Break
5-20 % (as film)
60 %
Impact Strength (Izod)
N/A
50 J/m
Flexural Strength
—
110 MPa
Thermal
Glass Transition Temperature
Variable (depends on formulation)
70 °C
Melting Point
N/A
255 – 265 °C
Continuous Service Temperature
60-100 °C
100 – 120 °C
Heat Deflection Temperature
N/A
75 °C (unfilled)
Electrical
Dielectric Constant
3.0-4.0
4.0
Volume Resistivity
10^12-10^14 Ohm-cm
10¹² Ω·cm
Dielectric Strength
15-25 kV/mm
—
Chemical resistance
Acids
Moderate resistance
Poor
Bases
Moderate resistance
Good
Solvents
Resistant to hydrocarbons, swells in polar solvents
—
UV Resistance
Good
Fair
Alcohols
—
Good
Oils & Fuels
—
Excellent
Sustainability
Recyclability
Difficult
Recyclable
Recycling Code
N/A
7
Carbon Footprint
Moderate
~7.4 kg CO₂e / kg
Bio-based Content
—
0 – 100 % (bio grades)