Comparison
PBSA High Flexibility vs PLA
A side-by-side comparison of Polybutylene Succinate Adipate, High Flexibility Grade II and Polylactic Acid.
Physical
Density
1.23 g/cm³
1.24 g/cm³
Water Absorption (24h)
0.7 %
0.5 %
Transparency
Good
Semi-transparent
Shrinkage
2.5 - 4.0 %
0.3 – 0.5 %
Mechanical
Young's Modulus
0.3 GPa
3.5 GPa
Tensile Strength
25 MPa
50 – 65 MPa
Elongation at Break
30.0 %
6 %
Impact Strength (Izod)
2.0 J/cm
16 J/m
Flexural Strength
—
80 MPa
Thermal
Glass Transition Temperature
-20 °C
60 °C
Melting Point
90-100 °C
150 – 160 °C
Continuous Service Temperature
35 °C
45 °C
Heat Deflection Temperature
25 °C
55 °C
Electrical
Dielectric Constant
2.8
3.0
Volume Resistivity
10¹³ Ω·cm
10¹⁴ Ω·cm
Dielectric Strength
15 kV/mm
—
Chemical resistance
Acids
Good resistance
Fair
Bases
Good resistance
Poor
Solvents
Resistant to aliphatic hydrocarbons, swells in chlorinated solvents
—
UV Resistance
Moderate
Poor
Alcohols
—
Fair
Hydrolysis
—
Poor
Sustainability
Recyclability
Biodegradable (compost)
Industrially compostable
Recycling Code
7 (Other)
7
Carbon Footprint
Lower than petrochemical plastics
~1.6 kg CO₂e / kg
Bio-based Content
—
100 %