KumhoSunny PBT/ABS HAB8740

About
HAB8740 is a high flow and high Impact PBT/ABS alloy resin, offering medium heat resistance,excellent normal and low temperature impact strength and chemical resistance.HAB8740 is recommended for automobile parts, office appliance, electrical and electronic components.&&

Product Description
SupplierKumhoSunny
GenericABS+PBT
Material StatusCommercial: Active
FeaturesHigh impact resistance,High liquidity,Heat Resistance, Good,Solvent resistance,low-temperature impact resistance,HB
AvailabilitysAsia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density 
1.13g/cm³ASTM D792
1.17g/cm³ISO 1183
Melt Flow Rate 
250℃,5.0kg20g/10minASTM D1238
260℃,5.0kg18g/10minISO 1133
Shrinkage rate 
MD0.50 to 0.80%ASTM D955
0.50 to 0.80%ISO 294-4

MECHANICALNominal valueUnitTest method
tensile strength 
47.0MPaASTM D638
50.0MPaISO 527-2/5
Tensile strain
fracture150%ASTM D638
Bending modulus 
1700MPaASTM D790
2000MPaISO 178
bending strength 
65.0MPaASTM D790
65.0MPaISO 178

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179
-30℃23kJ/m²ISO 179
23℃48kJ/m²ISO 179
Impact strength of cantilever beam notch 
3.2mm700J/mASTM D256
23℃45kJ/m²ISO 180

THERMALNominal valueUnitTest method
Hot deformation temperature 
1.8 MPa, unannealed90.0ASTM D648
1.8 MPa, unannealed95.0ISO 75-2/A

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+15ohmsIEC 60093
Volume resistivity> 1.0E+15ohms·cmIEC 60093

FLAME CHARACTERISTICSNominal valueUnitTest method
1.60 mmHB UL 94

Process Conditions
injectionNominal valueUnitTest method
Drying temperature100 to 120°C
Drying time4.0 to 6.0hr
Recommended maximum moisture content< 0.020%
Barrel rear temperature225 to 240°C
Barrel middle temperature230 to 260°C
Barrel front temperature230 to 260°C
Nozzle temperature230 to 260°C
Processing (melt) temperature230 to 260°C
Mold temperature50 to 80°C
Back pressure0.200 to 0.800MPa
Screw speed20 to 100rpm

Notes
1. Typical properties: these are not to be construed as specifications.
2. 0.079 in/min
3. 120°C/h
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