Comparison
EVA Low VA Film vs Polycarbonate
A side-by-side comparison of Ethylene Vinyl Acetate (Low VA) for Film Applications and Polycarbonate.
Physical
Density
0.920-0.935 g/cm³
1.20 g/cm³
Water Absorption (24h)
<0.1 %
0.15 %
Transparency
Good to Excellent
Transparent (88% light transmission)
Shrinkage
2-4 %
0.5 – 0.8 %
Mechanical
Young's Modulus
0.1-0.3 GPa
2.3 – 2.4 GPa
Tensile Strength
8-15 MPa
60 – 70 MPa
Elongation at Break
400-700 %
100 – 150 %
Impact Strength (Izod)
No Break
600 – 900 J/m
Flexural Strength
—
90 – 100 MPa
Hardness (Rockwell M)
—
70
Thermal
Glass Transition Temperature
-110 to -80 °C
147 °C
Melting Point
60-95 °C
—
Continuous Service Temperature
40-60 °C
115 – 130 °C
Heat Deflection Temperature
20-30 °C
130 – 140 °C
Thermal Conductivity
—
0.20 W/m·K
CTE
—
65 – 70 × 10⁻⁶ /K
Electrical
Dielectric Constant
2.2-2.3
2.9 – 3.0
Volume Resistivity
>10¹⁵ Ω⋅cm
10¹⁶ Ω·cm
Dielectric Strength
15-25 kV/mm
15 kV/mm
Chemical resistance
Acids
Excellent resistance
—
Bases
Excellent resistance
Poor
Solvents
Good resistance at room temp, swells in hot aromatic and chlorinated hydrocarbons
—
UV Resistance
Poor (requires stabilization)
Poor (unless coated)
Acids (dilute)
—
Good
Alcohols
—
Fair
Oils
—
Good
Gasoline
—
Fair
Acetone
—
Poor (attacks)
Sustainability
Recyclability
Recyclable
Recyclable
Recycling Code
4 (PE-LD or PE-LLD)
7
Carbon Footprint
Moderate
~5 kg CO₂e / kg
Bio-based Content
—
0 – 50 % (bio grades)