Comparison
PEF Barrier Bottle vs PLA
A side-by-side comparison of Polyethylene Furanoate, Barrier Bottle Grade R and Polylactic Acid.
Physical
Density
1.35-1.40 g/cm³
1.24 g/cm³
Water Absorption (24h)
0.2 %
0.5 %
Transparency
Excellent
Semi-transparent
Shrinkage
1.0 - 2.0 %
0.3 – 0.5 %
Mechanical
Young's Modulus
4.0-4.5 GPa
3.5 GPa
Tensile Strength
65-85 MPa
50 – 65 MPa
Elongation at Break
6-12 %
6 %
Impact Strength (Izod)
0.3-0.4 J/cm
16 J/m
Flexural Strength
—
80 MPa
Thermal
Glass Transition Temperature
85-95 °C
60 °C
Melting Point
210-220 °C
150 – 160 °C
Continuous Service Temperature
80 °C
45 °C
Heat Deflection Temperature
75 °C
55 °C
Electrical
Dielectric Constant
3.4
3.0
Volume Resistivity
10¹³ Ω·cm
10¹⁴ Ω·cm
Dielectric Strength
22 kV/mm
—
Chemical resistance
Acids
Good resistance
Fair
Bases
Poor resistance
Poor
Solvents
Resistant to oils and greases, but can be affected by strong bases
—
UV Resistance
Moderate
Poor
Alcohols
—
Fair
Hydrolysis
—
Poor
Sustainability
Recyclability
Potentially recyclable (requires separate stream)
Industrially compostable
Recycling Code
7 (Other, but aiming for PET stream)
7
Carbon Footprint
Significantly lower than PET
~1.6 kg CO₂e / kg
Bio-based Content
—
100 %