Comparison
rLDPE Film Opaque White vs PEEK
A side-by-side comparison of Recycled Low-Density Polyethylene Film Grade Opaque White and Polyether Ether Ketone.
Physical
Density
0.915-0.935 g/cm³
1.32 g/cm³
Water Absorption (24h)
0.01-0.03 %
0.15 %
Transparency
Opaque
Opaque (amber)
Shrinkage
2.0-4.0 %
1.1 – 1.4 %
Mechanical
Young's Modulus
0.15-0.30 GPa
3.6 GPa
Tensile Strength
8-15 MPa
100 MPa
Elongation at Break
300-700 %
50 %
Impact Strength (Izod)
N/A (film grade)
55 J/m
Flexural Strength
—
170 MPa
Thermal
Glass Transition Temperature
-110 °C
143 °C
Melting Point
105-115 °C
343 °C
Continuous Service Temperature
40-60 °C
260 °C
Heat Deflection Temperature
N/A
160 °C
Electrical
Dielectric Constant
2.25-2.35
3.2
Volume Resistivity
>10^15 Ohm·cm
10¹⁶ Ω·cm
Dielectric Strength
15-25 kV/mm
—
Chemical resistance
Acids
Good
Excellent
Bases
Good
Excellent
Solvents
Poor resistance to organic solvents
Excellent
UV Resistance
Poor (requires stabilization for outdoor use)
Fair
Hydrolysis (steam)
—
Excellent
Sustainability
Recyclability
Recyclable (check local facilities)
Recyclable (specialty)
Recycling Code
4 (LDPE)
7
Carbon Footprint
Lower than virgin LDPE
~30 kg CO₂e / kg