Comparison
EVA Med VA Injection vs PETG
A side-by-side comparison of Ethylene Vinyl Acetate (Medium VA) for Injection Molding and Polyethylene Terephthalate Glycol.
Physical
Density
0.930-0.950 g/cm³
1.27 g/cm³
Water Absorption (24h)
<0.2 %
0.13 %
Transparency
Translucent to opaque
Transparent
Shrinkage
2-4 %
0.2 – 0.5 %
Mechanical
Young's Modulus
0.05-0.2 GPa
2.1 GPa
Tensile Strength
5-15 MPa
50 MPa
Elongation at Break
300-700 %
120 %
Impact Strength (Izod)
No Break
100 J/m
Flexural Strength
—
70 MPa
Thermal
Glass Transition Temperature
-60 to -40 °C
80 °C
Melting Point
50-75 °C
—
Continuous Service Temperature
40-50 °C
65 °C
Heat Deflection Temperature
10-20 °C
70 °C
CTE
—
68 × 10⁻⁶ /K
Electrical
Dielectric Constant
2.3-2.8
3.3
Volume Resistivity
10¹³-10¹⁴ Ω⋅cm
10¹⁴ Ω·cm
Dielectric Strength
10-20 kV/mm
—
Chemical resistance
Acids
Good resistance
Good
Bases
Good resistance
Fair
Solvents
Good resistance at room temp, swells in hot aromatic and chlorinated hydrocarbons
—
UV Resistance
Poor (requires stabilization)
Fair
Alcohols
—
Good
Oils
—
Good
Sustainability
Recyclability
Recyclable
Recyclable
Recycling Code
4 (PE-LD or PE-LLD)
1
Carbon Footprint
Moderate
~2.7 kg CO₂e / kg
Bio-based Content
—
0 %