Comparison

Cycloaliphatic Epoxy for Electrical vs PLA

A side-by-side comparison of Cycloaliphatic Epoxy Resin and Polylactic Acid.

Physical

Density
1.10-1.20 g/cm³
1.24 g/cm³
Water Absorption (24h)
0.1-0.4 %
0.5 %
Transparency
Water Clear to Light Yellow
Semi-transparent
Shrinkage
1.5-2.5 %
0.3 – 0.5 %

Mechanical

Young's Modulus
2.0-3.0 GPa
3.5 GPa
Tensile Strength
40-60 MPa
50 – 65 MPa
Elongation at Break
5-10 %
6 %
Impact Strength (Izod)
15-30 J/m
16 J/m
Flexural Strength
—
80 MPa

Thermal

Glass Transition Temperature
40-100 °C
60 °C
Melting Point
N/A
150 – 160 °C
Continuous Service Temperature
60-120 °C
45 °C
Heat Deflection Temperature
40-80 °C
55 °C

Electrical

Dielectric Constant
3.0-3.5
3.0
Volume Resistivity
10^13-10^15 Ohm-cm
10¹⁴ Ω·cm
Dielectric Strength
20-30 kV/mm
—

Chemical resistance

Acids
Good resistance
Fair
Bases
Good resistance
Poor
Solvents
Resistant to most common solvents
—
UV Resistance
Excellent
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 %