LEXAN™ Copolymer HPH4504

About
High heat specialty polycarbonate. For medical devices and pharmaceutical applications. Healthcare management of change, biocompatible (ISO10993 of USP Class VI). EtO, steam, gamma and e-beam sterilizable.&&

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesSteam sterilized,E-beam disinfection,Biocompatible,High Heat Resistance,Radiation disinfection,Ethylene oxide disinfection
AvailabilitysNorth America
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density
g/cm³ASTM D792
1.20g/cm³ISO 1183
Specific volume0.830cm³/gASTM D792
Melt Flow Rate
300℃,1.20kg3.0g/10minASTM D1238
Melt Volume Rate
300℃,1.2 kg3.00cm³/10min
330℃,2.16 kg12.0cm³/10min
Shrinkage rate
MD:3.2 mm0.70 to 0.80%Internal Method
Water absorption rate
24hr0.16%ASTM D570
Saturation, 23 ℃0.16%ISO 62
Equilibrium, 23 ℃, 50% RH0.35%ISO 62

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃15kJ/m²ISO 179/1eA
Impact strength of cantilever beam notch
-30℃140J/mASTM D256
23℃640J/mASTM D256
-30℃11kJ/m²ISO 180-1A
23℃13kJ/m²ISO 180-1A
Notched impact strength of cantilever beam
23℃3200J/mASTM D4812
Dart impact equipped with measuring instruments
23℃,Total Energy73.0JASTM D3763
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
1.8 MPa, unannealed, 4.0 mm, 64 mm span132ISO 75-2/Af
Vicat Softening Temp
160ASTM D1525 10
B50154ISO 306
B120155ISO 306/B120
Linear coefficient of thermal expansion
MD:-40~95℃9.2E-51/℃ASTM E831
MD:-40~40℃6.0E-51/℃ISO 11359-2
TD:-40~40℃6.0E-51/℃ASTM E831
TD:-40℃6.0E-51/℃ISO 11359-2
specific heat1260J/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+17ohms·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

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 modulus
2090MPaASTM D638
2260MPaISO 527-1-2
tensile strength
yield65.0MPaASTM D638
yield65.0MPaISO 527-2/50
fracture71.0MPaASTM D638
fracture65.0MPaISO 527-2/50
Tensile strain
yield7.0%ASTM D638
yield7.0%ISO 527-2/50
fracture120%ASTM D638
fracture> 50%ISO 527-2/50
Bending modulus
50 mm span2020MPaASTM D790
2120MPaISO 178
bending strength
66.0MPaISO 178
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. 0.20 in/min
3. Type I, 2.0 in/min
4. 0.051 in/min
5. 0.079 in/min
6. at Yield
7. 80*10*4 sp=62mm
8. 80*10*4 mm
9. Type S
10. Rate A (50°C/h), Loading 2 (50 N)
11. Surface
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