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The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
Polylactide (PLA): Bio-based & Biodegradable Polymer

Polylactic Acid Properties Comparison

Compare all relevant properties of different polylactic acids before selecting the right engineering thermoplastic for a particular application. From physical properties, dimensional stability, electrical performances to fire and thermal properties, find out every possible attribute with its values here.

Overview

Key Applications

Key Properties

Property POLYLACTIDE PLA MELT SPINNING PLA HEAT SEAL LAYER PLA HIGH HEAT FILMS INJECTION MOLDED POLYLACTIDE SPUNBOND POLYLACTIDE
Mechanical
Flexural Modulus, Gpa - - - - 3.8 -
Elongation at Break, % 5 - 7 - - 179 - 181 2 - 3 -
Strength at Break (Tensile), MPa 52 - 54 - - 102.2 - 104.2 - -
Strength at Yield (Tensile), MPa 59 - 61 - - - 48 - 52 -
Young's Modulus, GPa 3.4 - 3.6 - - 3.3 - 3.5 3.5 - 3.6 -
Optical
Gloss, % - - 89 - 91 89 - 91 - -
Haze, % - - 2 2 - 2.2 - -
Physical
Biodegradable - Yes Yes Yes Yes Yes
Biobased Content, % - 100 100 100 100 100
Density, g/cm3 1.23 - 1.25 1.23 - 1.25 1.23 - 1.25 1.23 - 1.25 1.24 - 1.26 1.23 - 1.25
Glass Transition Temperature, °C - 55 - 65 52 - 58 - 55 - 60 55 - 60
Shrinkage, % - - - - 0.3 - 0.5 -
Service Temperature
HDT @0.46 Mpa (67 psi), °C - - - - 53 - 56 -
Thermal
Coefficient of Linear Thermal Expansion x 10-5, /°C - - - - 8.5 -
Thermal Insulation, W/m.K - - - - 0.11 - 0.195 -

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