Comparison
Phenolic Resol Thermoset vs PA66
A side-by-side comparison of Phenolic Resol Resin and Polyamide 6,6 (Nylon).
Physical
Density
1.20-1.35 g/cm³
1.14 g/cm³
Water Absorption (24h)
0.8-2.5 %
1.2 %
Transparency
Opaque Brown to Black
Opaque
Shrinkage
3-5 %
1.5 – 2.0 %
Mechanical
Young's Modulus
4-8 GPa
3.0 GPa (dry)
Tensile Strength
35-60 MPa
80 MPa
Elongation at Break
1-4 %
60 %
Impact Strength (Izod)
6-18 J/m
50 J/m
Flexural Strength
—
110 MPa
Thermal
Glass Transition Temperature
100-160 °C
70 °C
Melting Point
N/A
255 – 265 °C
Continuous Service Temperature
120-200 °C
100 – 120 °C
Heat Deflection Temperature
80-150 °C
75 °C (unfilled)
Electrical
Dielectric Constant
5.0-7.0
4.0
Volume Resistivity
10^9-10^12 Ohm-cm
10¹² Ω·cm
Dielectric Strength
8-18 kV/mm
—
Chemical resistance
Acids
Good resistance
Poor
Bases
Moderate resistance
Good
Solvents
Resistant to common organic solvents
—
UV Resistance
Poor
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)