Comparison
High-Temperature Oil-Resistant Ethylene Acrylic Elastomer vs PLA
A side-by-side comparison of Ethylene Acrylic Elastomer (AEM) and Polylactic Acid.
Physical
Density
1.00 - 1.10 g/cm³
1.24 g/cm³
Water Absorption (24h)
0.3 - 0.6 %
0.5 %
Transparency
Opaque
Semi-transparent
Shrinkage
1.5 - 2.5 %
0.3 – 0.5 %
Mechanical
Young's Modulus
0.02 - 0.05 GPa
3.5 GPa
Tensile Strength
10 - 20 MPa
50 – 65 MPa
Elongation at Break
200 - 500 %
6 %
Impact Strength (Izod)
N/A
16 J/m
Flexural Strength
—
80 MPa
Thermal
Glass Transition Temperature
-15 to 5 °C
60 °C
Melting Point
N/A
150 – 160 °C
Continuous Service Temperature
-40 to 175 °C
45 °C
Heat Deflection Temperature
N/A
55 °C
Electrical
Dielectric Constant
5.5 - 6.5
3.0
Volume Resistivity
10^10 - 10^12 Ohm-cm
10¹⁴ Ω·cm
Dielectric Strength
10 - 15 kV/mm
—
Chemical resistance
Acids
Good
Fair
Bases
Good
Poor
Solvents
Good resistance to petroleum oils, greases, and automotive fluids; Poor resistance to aromatic hydrocarbons
—
UV Resistance
Good
Poor
Alcohols
—
Fair
Hydrolysis
—
Poor
Sustainability
Recyclability
Limited
Industrially compostable
Recycling Code
N/A
7
Carbon Footprint
Moderate to High
~1.6 kg CO₂e / kg
Bio-based Content
—
100 %