Polylactic Acid (PLA) Typical Properties

Product Description
This data represents typical values that have been calculated from all products classified as: Generic PLA

This information is provided for comparative purposes only.
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
Physical
Nominal Value
Unit
Test Method
Density / Specific Gravity
     
--
1.22 to 1.30
 
ASTM D792
73°F
1.24 to 1.25
g/cm³
ISO 1183
--
1.24 to 1.27
g/cm³
ASTM D1505
Melt Mass-Flow Rate (MFR)
     
190°C/2.16 kg
2.8 to 23
g/10 min
ASTM D1238
190°C/2.16 kg
2.9 to 20
g/10 min
ISO 1133
Molding Shrinkage
     
Flow : 73°F
3.7E-3 to 4.1E-3
in/in
ASTM D955
73°F
0.30 to 1.1
%
ISO 294-4
Water Absorption (Equilibrium, 73°F)
0.12 to 0.46
%
ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
     
73°F
129000 to 529000
psi
ASTM D638
73°F
416000 to 519000
psi
ISO 527-2
Tensile Strength
     
Yield, 73°F
8990 to 9040
psi
ASTM D638
Yield, 73°F
2250 to 10400
psi
ISO 527-2
Break, 73°F
5550 to 8420
psi
ASTM D638
Break, 73°F
2000 to 10200
psi
ISO 527-2
73°F
2560 to 9310
psi
ASTM D638
73°F
6530 to 9430
psi
ISO 527-2
Tensile Elongation
     
Yield, 73°F
9.8 to 10
%
ASTM D638
Break, 73°F
0.50 to 19
%
ASTM D638
Break, 73°F
1.0 to 12
%
ISO 527-2
Flexural Modulus
     
73°F
330000 to 652000
psi
ASTM D790
73°F
44200 to 1.38E+6
psi
ISO 178
Flexural Strength
     
73°F
8360 to 15800
psi
ASTM D790
73°F
1310 to 16000
psi
ISO 178
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength (73°F)
0.67 to 2.6
ft·lb/in²
ISO 179
Charpy Unnotched Impact Strength (73°F)
6.1 to 15
ft·lb/in²
ISO 179
Notched Izod Impact
     
73°F
0.30 to 0.88
ft·lb/in
ASTM D256
73°F
1.6 to 1.9
ft·lb/in²
ISO 180
Unnotched Izod Impact (73°F)
0.17 to 10
ft·lb/in
ASTM D256
Gardner Impact (73°F)
8.50 to 160
in·lb
ASTM D5420
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     
66 psi, Unannealed
111 to 208
°F
ASTM D648
66 psi, Unannealed
122 to 248
°F
ISO 75-2/B
Glass Transition Temperature
134 to 136
°F
ASTM E1356, DSC
Vicat Softening Temperature
130 to 141
°F
ISO 306
Melting Temperature
309 to 340
°F
 
Peak Crystallization Temperature (DSC)
266 to 345
°F
ASTM D3418
Injection
Nominal Value
Unit
 
Drying Temperature
120 to 212
°F
 
Drying Time
3.0 to 5.0
hr
 
Suggested Max Moisture
0.010 to 0.032
%
 
Hopper Temperature
70 to 302
°F
 
Rear Temperature
302 to 392
°F
 
Middle Temperature
356 to 392
°F
 
Front Temperature
354 to 393
°F
 
Nozzle Temperature
343 to 393
°F
 
Processing (Melt) Temp
354 to 464
°F
 
Mold Temperature
61 to 224
°F
 
Back Pressure
72.5 to 1090
psi
 
Screw Speed
50 to 200
rpm
 
Injection Notes
This data represents typical values that have been calculated from all products classified as: Generic PLA

This information is provided for comparative purposes only.
Extrusion
Nominal Value
Unit
 
Drying Temperature
139 to 196
°F
 
Drying Time
2.8 to 10
hr
 
Suggested Max Moisture
5.0E-3 to 0.30
%
 
Hopper Temperature
83 to 329
°F
 
Cylinder Zone 1 Temp.
320 to 356
°F
 
Cylinder Zone 2 Temp.
336 to 393
°F
 
Cylinder Zone 3 Temp.
347 to 402
°F
 
Adapter Temperature
388 to 390
°F
 
Melt Temperature
374 to 446
°F
 
Die Temperature
329 to 394
°F
 
Extrusion Notes
This data represents typical values that have been calculated from all products classified as: Generic PLA

This information is provided for comparative purposes only.
Notes
1Typical properties: these are not to be construed as specifications.