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General Polylactide (PLA)

Alternative and trade names
Ingeo™, BioFlex®, Purapol®
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Description

Unfilled, no additives.

Properties

General

Density ρ

1.2 - 1.47 g/cm³ at 20 °C

Mechanical

Elastic modulus E

2.2 - 4 GPa at 20 °C

Elongation A

2 - 28 % at 20 °C

Impact strength, Charpy notched Ivnot

1.5 - 12 kJ/m² at 20 °C

Impact strength, Charpy unnotched Iunnot

13 - 35 kJ/m² at 20 °C

Max allowed stress σmax

60 - 70 MPa at 20 °C

at 2-5% strain

Optical

Transparency

yes

Thermal

Flammability

UL 94 HB

Melting point Tm

150 - 170 °C

Specific heat capacity cp

1000 - 1260 J/(kg·K) at 20 °C

Thermal conductivity λ

0.16 - 0.17 W/(m·K) at 20 °C

Technological properties

Application areas

Cold drink cups, fruit containers, absorbable implants, surgical sutures, blister packaging

Fillers

Glass fibre, carbon fibre, minerals

Processing methods

Injection molding, extrusion, blow molding, thermoforming, melt spin processes

This material data has been provided by M-Base.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.