KumhoSunny PC/PBT HCB9230M

About
HCB9230M is a high flow PC/PBT alloy resin, offering high low temperature impact and excellent chemical resistance.HCB9230M is recommended for auto outside laggage carrier,handle, ectron & electric parts etc.&&

Product Description
SupplierKumhoSunny
GenericPC+PBT
Material StatusCommercial: Active
FeaturesHigh liquidity,Heat Resistance, Good,Solvent resistance
AvailabilitysAsia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.16g/cm³ASTM D792 , ISO 1183
Melt Flow Rate
250℃,5.0kg15g/10minASTM D1238,ISO 1133
Shrinkage rate 
MD0.50 to 0.80%ASTM D955
0.50 to 0.80%ISO 294-4

MECHANICALNominal valueUnitTest method
tensile strength 
50.0MPaASTM D638
48.0MPaISO 527-2/50
Tensile strain
fracture140%ASTM D638
Bending modulus 
1900MPaASTM D790
1900MPaISO 178
bending strength 
68.0MPaASTM D790
65.0MPaISO 178

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179
-30℃35kJ/m²ISO 179
23℃63kJ/m²ISO 179
Charpy Unnotch Impact strength
23℃无断裂 ISO 179
Impact strength of cantilever beam notch 
3.2mm850J/mASTM D256
23℃55kJ/m²ISO 180

THERMALNominal valueUnitTest method
Hot deformation temperature 
1.8 MPa, unannealed90.0ASTM D648
1.8 MPa, unannealed92.0ISO 75-2/A
Vicat Softening Temp
B50105ISO 306

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

Process Conditions
injectionNominal valueUnitTest method
Drying temperature100 to 110°C
Drying time4.0 to 6.0hr
Recommended maximum moisture content< 0.020%
Barrel rear temperature230 to 260°C
Barrel middle temperature240 to 270°C
Barrel front temperature240 to 270°C
Nozzle temperature245 to 265°C
Processing (melt) temperature245 to 265°C
Mold temperature50 to 80°C
Back pressure0.300 to 1.00MPa
Screw speed30 to 70rpm

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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