Comparison
EVA Low VA Film vs PEEK
A side-by-side comparison of Ethylene Vinyl Acetate (Low VA) for Film Applications and Polyether Ether Ketone.
Physical
Density
0.920-0.935 g/cm³
1.32 g/cm³
Water Absorption (24h)
<0.1 %
0.15 %
Transparency
Good to Excellent
Opaque (amber)
Shrinkage
2-4 %
1.1 – 1.4 %
Mechanical
Young's Modulus
0.1-0.3 GPa
3.6 GPa
Tensile Strength
8-15 MPa
100 MPa
Elongation at Break
400-700 %
50 %
Impact Strength (Izod)
No Break
55 J/m
Flexural Strength
—
170 MPa
Thermal
Glass Transition Temperature
-110 to -80 °C
143 °C
Melting Point
60-95 °C
343 °C
Continuous Service Temperature
40-60 °C
260 °C
Heat Deflection Temperature
20-30 °C
160 °C
Electrical
Dielectric Constant
2.2-2.3
3.2
Volume Resistivity
>10¹⁵ Ω⋅cm
10¹⁶ Ω·cm
Dielectric Strength
15-25 kV/mm
—
Chemical resistance
Acids
Excellent resistance
Excellent
Bases
Excellent resistance
Excellent
Solvents
Good resistance at room temp, swells in hot aromatic and chlorinated hydrocarbons
Excellent
UV Resistance
Poor (requires stabilization)
Fair
Hydrolysis (steam)
—
Excellent
Sustainability
Recyclability
Recyclable
Recyclable (specialty)
Recycling Code
4 (PE-LD or PE-LLD)
7
Carbon Footprint
Moderate
~30 kg CO₂e / kg