LEXAN™ HPH4504H resin

About
LEXAN™   HPH4504H resin High heat specialty polycarbonate with enhanced autoclavability. 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
GenericPPC
Material StatusCommercial: Active
FeaturesSteam sterilized,E-beam disinfection,Biocompatible,High pressure disinfection,High Heat Resistance,Radiation disinfection,High pressure heat resistance,Ethylene oxide disinfection,V-2
AvailabilitysNorth America,Asia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.20g/cm³ASTM D792
Specific volume0.830cm³/gASTM D792
Density1.19g/cm³ASTM D792
Density1.20g/cm³ISO 1183
Melt Flow Rate
300℃,1.20kg3.0g/10minASTM D1238
Melt Volume Rate ISO 1133
300℃,1.2 kg3.00cm³/10minISO 1133
330℃,2.16 kg12.0cm³/10minISO 1133
Shrinkage rate
MD:3.2 mm0.70 to 0.80%Internal Method
Water absorption rate
Saturation, 23 ℃0.16%ISO 62
Equilibrium, 23 ℃, 50% RH0.35%ISO 62
24hr0.16%ASTM D570

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃15kJ/m²ISO 179/1eA
Impact strength of cantilever beam notch ASTM D256
23℃3200J/mASTM D4812
-30℃140J/mASTM D256
23℃640J/mASTM D256
Impact strength of cantilever beam notch ISO 180/1A
-30℃11kJ/m²ISO 180-1A
23℃13kJ/m²ISO 180-1A
Dart impact equipped with measuring instruments
23℃,Total Energy73.0JASTM D3763
Drop hammer impact
23℃149JASTM D3029
Tensile impact strength578kJ/m²ASTM D1822

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed, 64 mm span132ISO 75-2/Af
1.8 MPa, unannealed, 3.2 mm143ASTM D648
Vicat Softening Temp160ASTM D1525 11
Vicat Softening Temp 
B50154ISO 306
B120155ISO 306/B120
Linear coefficient of thermal expansion
TD:-40~40℃6.0E-51/℃ASTM E831
TD:-40~40℃6.0E-51/℃ISO 11359-2
MD:-40~40℃6.0E-51/℃ISO 11359-2
MD ASTM E831
-40 to 40 ℃6.0E-5cm/cm/℃ASTM E831
-40 to 95 ℃9.2E-5cm/cm/℃ASTM E831
specific heat1260J/kg/℃ASTM C351
Thermal conductivity coefficient0.21W/m/KASTM C177
Relative temperature index
Electrical performance125UL 746
Strength mechanical 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 ASTM D150
50 Hz3.15 ASTM D150
60 Hz3.15 ASTM D150
1 MHz3.00 ASTM D150
Dissipation factor ASTM D150
50 Hz1.2E-3 ASTM D150
60 Hz1.2E-3 ASTM D150
100 Hz0.024 ASTM D150
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
Tensile modulus2090MPaASTM D638
Tensile modulus2260MPaISO 527-1-2
tensile strength 
fracture71.7MPaASTM D638
fracture65.0MPaISO 527-2/50
yield65.5MPaASTM D638
yield65.0MPaISO 527-2/5
yield65.0MPaISO 527-2/50
Tensile strain
fracture> 50%ISO 527-2/50
fracture120%ASTM D638
yield7.0%ASTM D638
yield7.0%ISO 527-2/50
Bending modulus2130MPaISO 178
50 mm span2030MPaASTM D790
bending strength66.0MPaISO 178
bending strength
Yield, 50 mm span95.1MPaASTM D790
Rockwell hardness ASTM D785
M-level85 ASTM D785
R-level122 ASTM D785

Process Conditions
injectionNominal valueUnitTest method
Drying temperature121°C
Drying time3.0 to 4.0hr
Drying time, maximum48hr
Recommended maximum moisture content0.020%
Recommended injection volume40 to 60%
Barrel rear temperature316 to 338°C
Barrel middle temperature327 to 349°C
Barrel front temperature338 to 360°C
Nozzle temperature332 to 354°C
Processing (melt) temperature338 to 360°C
Mold temperature82 to 116°C
Back pressure0.345 to 0.689MPa
Screw speed40 to 70rpm
Vent depth0.025 to 0.076mm

Notes
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