Comparison
Chemical Resistant Vinyl Ester vs PLA
A side-by-side comparison of Vinyl Ester Resin and Polylactic Acid.
Physical
Density
1.10-1.25 g/cm³
1.24 g/cm³
Water Absorption (24h)
0.1-0.4 %
0.5 %
Transparency
Clear to Light Amber
Semi-transparent
Shrinkage
5-8 %
0.3 – 0.5 %
Mechanical
Young's Modulus
2.5-3.8 GPa
3.5 GPa
Tensile Strength
50-80 MPa
50 – 65 MPa
Elongation at Break
2-5 %
6 %
Impact Strength (Izod)
15-30 J/m
16 J/m
Flexural Strength
—
80 MPa
Thermal
Glass Transition Temperature
80-120 °C
60 °C
Melting Point
N/A
150 – 160 °C
Continuous Service Temperature
80-130 °C
45 °C
Heat Deflection Temperature
70-110 °C
55 °C
Electrical
Dielectric Constant
3.5-4.5
3.0
Volume Resistivity
10^13-10^15 Ohm-cm
10¹⁴ Ω·cm
Dielectric Strength
18-26 kV/mm
—
Chemical resistance
Acids
Excellent resistance
Fair
Bases
Good resistance
Poor
Solvents
Excellent resistance to many organic solvents
—
UV Resistance
Moderate without additives
Poor
Alcohols
—
Fair
Hydrolysis
—
Poor
Sustainability
Recyclability
Difficult
Industrially compostable
Recycling Code
N/A
7
Carbon Footprint
Moderate
~1.6 kg CO₂e / kg
Bio-based Content
—
100 %