LEXAN™ HF1140 resin

About
Ideal for disposables/short life cycles. Good clarity, heat resistance, property retention and dimensional stability. FDA food contact compliant in limited colors. Effective January 15th, 2007 this grade will no longer be supported with biocompatibility information and should not be used for medical applications which require biocompatibility. Alternative grade HP1.&&

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesGood Dimensional Stability,Food contact compliance,Disposable,Heat Resistance, Good,V-2
AvailabilitysNorth America
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density ASTM D792
1.20g/cm³ASTM D792
1.19g/cm³ASTM D792
Specific volume0.830cm³/gASTM D792
Melt Flow Rate
300℃,1.20kg25g/10minASTM D1238
Melt Volume Rate
300℃,1.2 kg23.0cm³/10minISO 1133
Shrinkage rate
MD:3.2 mm0.50 to 0.70%Internal Method
Water absorption rate ASTM D570
24hr0.15%ASTM D570
Equilibrium, 23 ℃0.35%ASTM D570
Equilibrium, 100 ℃0.58%ASTM D570

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179/1eA
-30℃10kJ/m²ISO 179/1eA
23℃12kJ/m²ISO 179/1eA
Impact strength of cantilever beam notch 
Natural,Tints640J/mASTM D256
23℃640J/mASTM D256
-30℃10kJ/m²ISO 180-1A
23℃12kJ/m²ISO 180-1A
Notched impact strength of cantilever beam
23℃3200J/mASTM D4812
Dart impact equipped with measuring instruments
23℃,Energy at Peak Load54.0JASTM D3763
Drop hammer impact
23℃169JASTM D3029
Tensile impact strength378kJ/m²ASTM D1822

THERMALNominal valueUnitTest method
Hot deformation temperature 
0.45 MPa, unannealed, 6.4 mm137ASTM D648
0.45 MPa, unannealed, 100 mm span133ISO 75-2/Be
1.8 MPa, unannealed, 3.2 mm126ASTM D648
1.8 MPa, unannealed, 6.4 mm126ASTM D648
1.8 MPa, unannealed, 100 mm span121ISO 75-2/Ae
Vicat Softening Temp 
B50139ISO 306
B120140ISO 306/B120
Ball pressure test
125℃通过 IEC 60695-10-2
Linear coefficient of thermal expansion
MD 
-40 to 95 ℃6.8E-5cm/cm/℃ASTM E831
23 to 80 ℃7.0E-5cm/cm/℃ISO 11359-2
specific heat1250J/kg/℃ASTM C351
Thermal conductivity coefficient 
0.19W/m/KASTM C177
0.20W/m/KISO 8302
Relative temperature index130UL 746
Electrical performance130UL 746
Impact mechanical performance130UL 746

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+15ohmsIEC 60093
Volume resistivity 
> 1.0E+17ohms·cmASTM D257
> 1.0E+15ohms·cmIEC 60093
Dielectric strength 
3.2 mm in air15kV/mmASTM D149
3.2 mm in oil17kV/mmIEC 60243-1
Dielectric constant 
50 Hz3.17 ASTM D150
60 Hz3.17 ASTM D150
1 MHz2.96 ASTM D150
50 Hz2.70 IEC 60250
60 Hz2.70 IEC 60250
1 MHz2.70 IEC 60250
Dissipation factor 
50 Hz9.0E-4 ASTM D150
60 Hz9.0E-4 ASTM D150
1 MHz0.010 ASTM D150 , IEC 60250
50 Hz1.0E-3 IEC 60250
60 Hz1.0E-3 IEC 60250
Compared to the leakage tracing indexPLC 2 UL 746
High Arc Burning Index (HAI)PLC 1 UL 746
High voltage arc marking rate
HVTRPLC 2 UL 746
Hot wire ignition
HWIPLC 2 UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
1.10 mmV-2 UL 94
Extreme oxygen index25%ISO 4589-2

optical performanceNominal valueUnitTest method
Refractive index1.586 ASTM D542
Transmittance
2540 µm88.0%ASTM D1003
Haze
2540 µm1.0%ASTM D1003

MECHANICALNominal valueUnitTest method
Rockwell hardness ASTM D785
M-level70 ASTM D785
R-level118 ASTM D785
Tensile modulus 
2370MPaASTM D638
2350MPaISO 527-1-2
tensile strength 
yield62.0MPaASTM D638
yield63.0MPaISO 527-2/50
fracture65.0MPaASTM D638
fracture50.0MPaISO 527-2/50
Tensile strain 
yield6.0%ASTM D638
yield6.0%ISO 527-2/50
fracture120%ASTM D638
fracture70%ISO 527-2/50
Bending modulus 
50 mm span2300MPaASTM D790
2300MPaISO 178
bending strength 
90.0MPaISO 178
Yield, 50 mm span93.0MPaASTM D790
Taber abraser
1000 cycles, 1000 g, CS-17 wheels10.0mgASTM D1044

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 temperature249 to 271°C
Barrel middle temperature260 to 282°C
Barrel front temperature271 to 293°C
Nozzle temperature266 to 288°C
Processing (melt) temperature271 to 293°C
Mold temperature71 to 93°C
Back pressure0.345 to 0.689MPa
Screw speed40 to 70rpm
Vent depth0.025 to 0.076mm

Notes
1. Typical properties: these are not to be construed as specifications.
2. 2.0 in/min
3. Type I, 2.0 in/min
4. 0.051 in/min
5. 0.079 in/min
6. Yield
7. 80*10*4 sp=62mm
8. 80*10*4
9. Type S
10. 120*10*4 mm
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