Comparison
rLDPE Film Clear vs PLA
A side-by-side comparison of Recycled Low-Density Polyethylene Film Grade Clear and Polylactic Acid.
Physical
Density
0.915-0.935 g/cm³
1.24 g/cm³
Water Absorption (24h)
0.01-0.03 %
0.5 %
Transparency
Good
Semi-transparent
Shrinkage
2.0-4.0 %
0.3 – 0.5 %
Mechanical
Young's Modulus
0.15-0.30 GPa
3.5 GPa
Tensile Strength
8-15 MPa
50 – 65 MPa
Elongation at Break
300-700 %
6 %
Impact Strength (Izod)
N/A (film grade)
16 J/m
Flexural Strength
—
80 MPa
Thermal
Glass Transition Temperature
-110 °C
60 °C
Melting Point
105-115 °C
150 – 160 °C
Continuous Service Temperature
40-60 °C
45 °C
Heat Deflection Temperature
N/A
55 °C
Electrical
Dielectric Constant
2.25-2.35
3.0
Volume Resistivity
>10^15 Ohm·cm
10¹⁴ Ω·cm
Dielectric Strength
15-25 kV/mm
—
Chemical resistance
Acids
Good
Fair
Bases
Good
Poor
Solvents
Poor resistance to organic solvents
—
UV Resistance
Poor (requires stabilization for outdoor use)
Poor
Alcohols
—
Fair
Hydrolysis
—
Poor
Sustainability
Recyclability
Recyclable (check local facilities)
Industrially compostable
Recycling Code
4 (LDPE)
7
Carbon Footprint
Lower than virgin LDPE
~1.6 kg CO₂e / kg
Bio-based Content
—
100 %