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
Specific Gravity
     
--
1,24
 
ASTM D792
73°F
1,24 to 1,26
g/cm³
ISO 1183
Melt Mass-Flow Rate (MFR)
     
210°C/2.16 kg
6,0 to 78
g/10 min
ASTM D1238
190°C/2.16 kg
1,5 to 36
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
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
     
73°F
293000 to 514000
psi
ASTM D638
73°F
45000 to 815000
psi
ISO 527-2
Tensile Strength
     
Yield, 73°F
8840 to 9500
psi
ASTM D638
Yield, 73°F
2250 to 10400
psi
ISO 527-2
Break, 73°F
7080 to 8150
psi
ASTM D638
Break, 73°F
2000 to 10200
psi
ISO 527-2
73°F
6930 to 10000
psi
ASTM D638
Tensile Elongation
     
Yield, 73°F
9,8 to 10
%
ASTM D638
Yield, 73°F
1,0 to 8,5
%
ISO 527-2
Break, 73°F
0,50 to 9,2
%
ASTM D638
Break, 73°F
1,0 to 12
%
ISO 527-2
Flexural Modulus
     
73°F
347000 to 715000
psi
ASTM D790
73°F
44200 to 1,38E+6
psi
ISO 178
Flexural Strength
     
73°F
6950 to 16000
psi
ASTM D790
73°F
1310 to 16100
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)
4,0 to 11
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 3,0
ft·lb/in²
ISO 180
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     
66 psi, Unannealed
121 to 126
°F
ASTM D648
66 psi, Unannealed
122 to 248
°F
ISO 75-2/B
264 psi, Unannealed
118 to 122
°F
ISO 75-2/A
Glass Transition Temperature
     
--
134 to 136
°F
ASTM E1356
--
111 to 145
°F
DSC
Vicat Softening Temperature
130 to 146
°F
ISO 306
Melting Temperature
315 to 338
°F
 
Peak Crystallization Temperature (DSC)
266 to 327
°F
ASTM D3418
Injection
Nominal Value
Unit
 
Drying Temperature
113 to 172
°F
 
Drying Time
2,9 to 6,0
hr
 
Suggested Max Moisture
0,010 to 0,30
%
 
Rear Temperature
302 to 365
°F
 
Middle Temperature
338 to 410
°F
 
Front Temperature
374 to 393
°F
 
Nozzle Temperature
375 to 402
°F
 
Processing (Melt) Temp
353 to 464
°F
 
Mold Temperature
60,8 to 224
°F
 
Injection Pressure
11400 to 11500
psi
 
Back Pressure
72,5 to 160
psi
 
Screw Speed
75 to 153
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
120 to 195
°F
 
Drying Time
2,8 to 10
hr
 
Suggested Max Moisture
5,0E-3 to 0,30
%
 
Cylinder Zone 1 Temp.
327 to 374
°F
 
Cylinder Zone 2 Temp.
331 to 377
°F
 
Cylinder Zone 3 Temp.
335 to 402
°F
 
Adapter Temperature
338 to 390
°F
 
Melt Temperature
373 to 446
°F
 
Die Temperature
329 to 392
°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.