Lupol® LW4302

About
Description Low Warpage Application Electrical & Electronic, Automotive Parts&&

Product Description
SupplierLG Chemical
GenericPP not specified
Material StatusCommercial: Active
FeaturesLow warping,HB
AvailabilitysNorth America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.21g/cm³ASTM D792
Melt Flow Rate
230℃,2.16kg11g/10minASTM D1238
Shrinkage rate
MD0.30 to 0.50%ASTM D955

MECHANICALNominal valueUnitTest method
tensile strength
yield68.6MPaASTM D638
Tensile strain
fracture5.0%ASTM D638
Bending modulus5490MPaASTM D790
bending strength
yield98.1MPaASTM D790

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch120J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed150ASTM D648

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
1.50 mmHB UL 94

Process Conditions
injectionNominal valueUnitTest method
Drying temperature70 to 90°C
Drying time2.0 to 3.0hr
Barrel rear temperature200 to 220°C
Barrel middle temperature200 to 230°C
Barrel front temperature210 to 230°C
Nozzle temperature210 to 240°C
Processing (melt) temperature210 to 240°C
Mold temperature40 to 90°C
Injection pressure29.4 to 118MPa
Back pressure0.490 to 3.92MPa
Screw speed40 to 60rpm

Notes
1. Typical properties: these are not to be construed as specifications.
2. 2.0 in/min
3. 0.59 in/min
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