Comparison
PP Impact Copolymer Film vs PA66
A side-by-side comparison of Polypropylene Impact Copolymer Film and Polyamide 6,6 (Nylon).
Physical
Density
0.900-0.910 g/cm³
1.14 g/cm³
Water Absorption (24h)
<0.05 %
1.2 %
Transparency
Good to Fair
Opaque
Shrinkage
1-2.5 %
1.5 – 2.0 %
Mechanical
Young's Modulus
1.0-1.4 GPa
3.0 GPa (dry)
Tensile Strength
30-40 MPa
80 MPa
Elongation at Break
10-25 %
60 %
Impact Strength (Izod)
100-250 J/m
50 J/m
Flexural Strength
—
110 MPa
Thermal
Glass Transition Temperature
-10 °C
70 °C
Melting Point
140-160 °C
255 – 265 °C
Continuous Service Temperature
70-90 °C
100 – 120 °C
Heat Deflection Temperature
50-70 °C
75 °C (unfilled)
Electrical
Dielectric Constant
2.2-2.3
4.0
Volume Resistivity
>10¹⁶ Ω⋅cm
10¹² Ω·cm
Dielectric Strength
20-30 kV/mm
—
Chemical resistance
Acids
Excellent resistance
Poor
Bases
Excellent resistance
Good
Solvents
Good resistance at room temperature, swells in hot aromatic and chlorinated hydrocarbons
—
UV Resistance
Poor (requires stabilization)
Fair
Alcohols
—
Good
Oils & Fuels
—
Excellent
Sustainability
Recyclability
Recyclable
Recyclable
Recycling Code
5 (PP)
7
Carbon Footprint
Moderate
~7.4 kg CO₂e / kg
Bio-based Content
—
0 – 100 % (bio grades)