Hyosung Polyketone M640A

About
Hyosung Polyketone M640A High viscosity and Heat-resisting grade for injection molding (Natural color)&&

Product Description
SupplierHyosung
GenericPOK
Material StatusCommercial: Active
FeaturesHigh Viscosity,High Heat Resistance,HB
AvailabilitysNorth America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.24g/cm³ASTM D792
Melt Flow Rate
240℃,2.16kg6.0g/10minASTM D1238
Shrinkage rate
MD1.8 to 2.0%ASTM D955
Water absorption rate
Equilibrium, 23 ℃, 60% RH0.45%ASTM D570

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃196J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed115ASTM D648
0.45 MPa, unannealed220ASTM D648
Melting temperature235ASTM D1525

Electrical performanceNominal valueUnitTest method
Volume resistivity1.0E+15ohms·cmASTM D257
Dielectric strength20kV/mmASTM D149

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant levelHB UL 94

MECHANICALNominal valueUnitTest method
tensile strength
23℃63.7MPaASTM D638
Tensile strain
Fracture, 23 ℃> 300%ASTM D638
Bending modulus
23℃1670MPaASTM D790
bending strength
23℃63.7MPaASTM D790
Rockwell hardness
R-level105 ASTM D785

Notes
1. Typical properties: these are not to be construed as specifications.
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