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 %