LEXAN™ Copolymer 4501

About
High heat resistant polyphthlate carbonate, provides DTUL of 290F at 264 psi.&&

Product Description
SupplierSABIC
GenericPPC
Material StatusCommercial: Active
FeaturesHigh Heat Resistance
AvailabilitysNorth America
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Densityg/cm³ASTM D792
Specific volume0.830cm³/gASTM D792
Melt Flow Rate
300℃,1.20kg3.0g/10minASTM D1238
Shrinkage rate
MD:3.2 mm0.70 to 0.80%Internal Method
Water absorption rate
24hr0.16%ASTM D570

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
23℃640J/mASTM D256
Notched impact strength of cantilever beam
23℃3200J/mASTM D4812
Drop hammer impact
23℃149JASTM D3029
Tensile impact strength577kJ/m²ASTM D1822

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed, 3.2 mm143ASTM D648
Linear coefficient of thermal expansion
MD:-40~95℃9.2E-51/℃ASTM E831
specific heat1250J/kg/℃ASTM C351
Thermal conductivity coefficient0.21W/m/KASTM C177
Relative temperature index125UL 746
Electrical performance125UL 746
Impact mechanical performance125UL 746

Electrical performanceNominal valueUnitTest method
Volume resistivity> 2.6E+16ohms·cmASTM D257
Dielectric strength
3.2 mm in air20kV/mmASTM D149
Dielectric constant
60 Hz3.15 
50 kHz3.15 
1 MHz3.00 
Dissipation factor
50 Hz1.2E-3 
60 Hz1.2E-3 
100 Hz0.024 
Compared to the leakage tracing indexPLC 3 UL 746
High Arc Burning Index (HAI)PLC 4 UL 746
High voltage arc marking rate
HVTRPLC 3 UL 746
Hot wire ignition
HWIPLC 2 UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
1.50 mmV-2 UL 94

optical performanceNominal valueUnitTest method
Refractive index1.600 ASTM D542
Transmittance
2540 µm85.0%ASTM D1003
Haze
2540 µm1.0%ASTM D1003

MECHANICALNominal valueUnitTest method
Rockwell hardness
M-level85 
R-level122 
tensile strength
yield65.0MPa
fracture71.0MPa
Tensile strain
fracture120%ASTM D638
Bending modulus
50 mm span2020MPaASTM D790
bending strength
Yield, 50 mm span95.0MPaASTM D790

Process Conditions
injectionNominal valueUnitTest method
Drying temperature120°C
Drying time3.0 to 4.0hr
Recommended maximum moisture content0.020%
Recommended injection volume40 to 60%
Barrel rear temperature315 to 340°C
Barrel middle temperature325 to 350°C
Barrel front temperature340 to 360°C
Nozzle temperature330 to 355°C
Processing (melt) temperature340 to 360°C
Mold temperature80 to 115°C
Back pressure0.300 to 0.700MPa
Screw speed40 to 70rpm
Vent depth0.025 to 0.076mm

Notes
1. Typical properties: these are not to be construed as specifications.
2. Type I, 2.0 in/min
3. 0.051 in/min
4. Type S
5. Surface
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