Comparison
Chemical Resistant Vinyl Ester vs PA66
A side-by-side comparison of Vinyl Ester Resin and Polyamide 6,6 (Nylon).
Physical
Density
1.10-1.25 g/cm³
1.14 g/cm³
Water Absorption (24h)
0.1-0.4 %
1.2 %
Transparency
Clear to Light Amber
Opaque
Shrinkage
5-8 %
1.5 – 2.0 %
Mechanical
Young's Modulus
2.5-3.8 GPa
3.0 GPa (dry)
Tensile Strength
50-80 MPa
80 MPa
Elongation at Break
2-5 %
60 %
Impact Strength (Izod)
15-30 J/m
50 J/m
Flexural Strength
—
110 MPa
Thermal
Glass Transition Temperature
80-120 °C
70 °C
Melting Point
N/A
255 – 265 °C
Continuous Service Temperature
80-130 °C
100 – 120 °C
Heat Deflection Temperature
70-110 °C
75 °C (unfilled)
Electrical
Dielectric Constant
3.5-4.5
4.0
Volume Resistivity
10^13-10^15 Ohm-cm
10¹² Ω·cm
Dielectric Strength
18-26 kV/mm
—
Chemical resistance
Acids
Excellent resistance
Poor
Bases
Good resistance
Good
Solvents
Excellent resistance to many organic solvents
—
UV Resistance
Moderate without additives
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)