Comparison
All-Purpose Chloroprene Rubber (Neoprene) vs PLA
A side-by-side comparison of Chloroprene Rubber (Neoprene) and Polylactic Acid.
Physical
Density
1.23 - 1.27 g/cm³
1.24 g/cm³
Water Absorption (24h)
0.4 - 0.8 %
0.5 %
Transparency
Opaque
Semi-transparent
Shrinkage
1.5 - 2.5 %
0.3 – 0.5 %
Mechanical
Young's Modulus
0.02 - 0.06 GPa
3.5 GPa
Tensile Strength
10 - 25 MPa
50 – 65 MPa
Elongation at Break
200 - 600 %
6 %
Impact Strength (Izod)
N/A
16 J/m
Flexural Strength
—
80 MPa
Thermal
Glass Transition Temperature
-40 to -50 °C
60 °C
Melting Point
N/A
150 – 160 °C
Continuous Service Temperature
-30 to 100 °C
45 °C
Heat Deflection Temperature
N/A
55 °C
Electrical
Dielectric Constant
6.0 - 7.0
3.0
Volume Resistivity
10^9 - 10^11 Ohm-cm
10¹⁴ Ω·cm
Dielectric Strength
15 - 25 kV/mm
—
Chemical resistance
Acids
Good
Fair
Bases
Good
Poor
Solvents
Moderate resistance to oils and fuels; swells in aromatic and chlorinated hydrocarbons
—
UV Resistance
Good
Poor
Alcohols
—
Fair
Hydrolysis
—
Poor
Sustainability
Recyclability
Limited
Industrially compostable
Recycling Code
N/A
7
Carbon Footprint
Moderate
~1.6 kg CO₂e / kg
Bio-based Content
—
100 %