Polylactic Acid (PLA)

Polylactic Acid is bioplastics made from renewable sources such as corn or sugarcane starch, considered a biodegradable material

Strength

Flexibility

Durability

Polylactic Acid
Polylactic Acid

Common Applications

  • Product prototypes
  • Decorative and hobby models
  • Toys and lightweight accessories
  • Promotional products
  • Architectural models

Advantages

  • Environmentally friendly, biodegradable
  • Economical price
  • Easy to print, smooth printing surface

Disadvantages

  • Not resistant to high temperatures
  • Poor UV and weather resistance
  • Not suitable for outdoor applications

Colors


General Specifications

PropertyValue
Printing Temperature180 - 200°C
Bed Temperature0 - 60°C
Shrinkage RateLow (0.3 - 0.5%)

Physical Properties

PropertyTest MethodValue
DensityISO1183, GB/T10331.17 g/cm³ at 23°C
Melt Index210°C, 2.16kg7-11 g/10min
Light TransmissionN/AN/A
Fire ResistanceN/AN/A

Chemical Resistance

EffectValue
Effect from weak acidsGood
Effect from strong acidsPoor
Effect from weak basesFair
Effect from strong basesPoor
Effect from oils and lubricantsGood

Thermal Properties

PropertyTest MethodValue
Glass transition temperatureDSC, 10°C/min61°C
Melting temperatureDSC, 10°C/min150-160°C
Crystallization temperatureDSC, 10°C/min110-120°C
Decomposition temperatureTGA, 20°C/min270°C
Heat deflection temperatureISO 306, GB/T163458°C
Heat deflection temperatureISO 75 1.8MPa58°C
Heat deflection temperatureISO 75 0.45MPa60°C

Mechanical Properties

PropertyTest MethodValue
Young's Modulus (X-Y)ISO 527, GB/T 10403426.9 ± 84.8 MPa
Tensile Strength (X-Y)ISO 527, GB/T 104052.7 ± 3.8 MPa
Tensile Strength (Z)ISO 527, GB/T 104028.5 ± 2.5 MPa
Flexural Modulus (X-Y)ISO 178, GB/T 93413837.3 ± 92.2 MPa
Flexural Strength (X-Y)ISO 178, GB/T 934183.1 ± 2.4 MPa
Charpy Impact Strength (X-Y)ISO 179, GB/T 10433.03 ± 0.12 kJ/m²

Last updated: 6/15/2025

Material

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