Kingfa MAC-451

About
Kingfa MAC-451 is a Polycarbonate + ABS (PC+ABS) material. It is available in Asia Pacific or North America for injection molding. Important attributes of Kingfa MAC-451 are: Flame Rated Good Processability Chemical Resistant Impact Resistant Typical applications include: Electrical/Electronic Applications Appliances Engineering/Industrial Parts&&

Product Description
SupplierKingfa
GenericPC+ABS
Material StatusCommercial: Active
FeaturesExcellent Processability,High impact resistance,Electroplating,HB
AvailabilitysNorth America,Asia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.10g/cm³ASTM D792
Shrinkage rate ASTM D955
MD:23℃0.40 to 0.60%ASTM D955
TD:23℃0.40 to 0.60%ASTM D955
Water absorption rate
23℃,24hr0.20%ASTM D570

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
23℃,3.2mm500J/mASTM D256
Notched impact strength of cantilever beam
23℃,3.2 mm无断裂 ASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature ASTM D648
0.45 MPa, unannealed, 6.4 mm112ASTM D648
1.8 MPa, unannealed, 6.4 mm100ASTM D648

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+16ohmsASTM D257
Volume resistivity1.0E+16ohms·cmASTM D257

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level UL 94
1.60 mmHB UL 94
3.20 mmHB UL 94

MECHANICALNominal valueUnitTest method
Rockwell hardness
R-level115 ASTM D785
tensile strength50.0MPaASTM D638
Tensile strain
fracture60%ASTM D638
Bending modulus2250MPaASTM D790
bending strength75.0MPaASTM D790

Process Conditions
injectionNominal valueUnitTest method
Drying temperature90 to 100°C
Drying time4.0 to 6.0hr
Barrel rear temperature210 to 230°C
Barrel middle temperature220 to 240°C
Barrel front temperature225 to 245°C
Processing (melt) temperature220 to 240°C
Mold temperature40 to 80°C
Back pressure0.300 to 1.00MPa

Notes
1. Typical properties: these are not to be construed as specifications.
2. 23°C
3. 2.0 in/min
4. 0.079 in/min
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