Kingfa HIPS-4418

About
Kingfa HIPS-4418 is a High Impact Polystyrene material. It is available in Asia Pacific or North America for injection molding. Important attributes of Kingfa HIPS-4418 are: Flame Rated High Gloss Impact Resistant Typical applications include: Appliances Electrical/Electronic Applications&&

Product Description
SupplierKingfa
GenericPS (HIPS)
Material StatusCommercial: Active
FeaturesGood surface appearance,High impact resistance
AvailabilitysNorth America,Asia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.04g/cm³ISO 1183
Melt Flow Rate
200℃,5.0kg5.0g/10minISO 1133
Shrinkage rate
23℃0.40 to 0.70%ISO 2577

MECHANICALNominal valueUnitTest method
tensile strength32.0MPaISO 527-2/50
Tensile strain
fracture30%ISO 527-2/50
Bending modulus2100MPaISO 178
bending strength55.0MPaISO 178

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
23℃10kJ/m²ISO 180

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed73.0ISO 75-2/A
Vicat Softening Temp
B120100ISO 306/B120

Electrical performanceNominal valueUnitTest method
Volume resistivity1.0E+16ohms·cmIEC 60093

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
1.50 mmHB 
3.20 mmHB 

optical performanceNominal valueUnitTest method
gloss
60°95 ASTM D523

Process Conditions
injectionNominal valueUnitTest method
Drying temperature70 to 80°C
Drying time2.0 to 4.0hr
Barrel rear temperature180 to 210°C
Barrel middle temperature200 to 230°C
Barrel front temperature210 to 240°C
Processing (melt) temperature210 to 240°C
Mold temperature30 to 80°C
Injection speed慢to中等 
Back pressure0.00 to 1.00MPa

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