LEXAN™ EXL6414 resin

About
PC-Siloxane copolymer with excellent processability. Impact modified, medium flow, extreme low temp. ductility.&&

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesExcellent Processability,High impact resistance,Ductility,Moderate liquidity,Copolymer,HB
AvailabilitysNorth America,Asia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density 
1.19g/cm³ASTM D792
1.18g/cm³ISO 1183
Melt Flow Rate
300℃,1.20kg8.0g/10minASTM D1238
Melt Volume Rate
300℃,1.2 kg7.50cm³/10minISO 1133
Shrinkage rate Internal Method
MD:3.2 mm0.40 to 0.80%Internal Method
TD:3.2 mm0.40 to 0.80%Internal Method
Water absorption rate ISO 62
Saturation, 23 ℃0.35%ISO 62
Equilibrium, 23 ℃, 50% RH0.15%ISO 62

MECHANICALNominal valueUnitTest method
Tensile modulus 
1720MPaASTM D638
2280MPaISO 527-1-2
tensile strength 
yield55.2MPaASTM D638
yield54.0MPaISO 527-2/50
fracture60.0MPaASTM D638
fracture58.0MPaISO 527-2/50
Tensile strain 
yield5.5%ASTM D638
yield6.0%ISO 527-2/50
fracture100%ASTM D638
fracture88%ISO 527-2/50
Bending modulus 
50 mm span2000MPaASTM D790
2090MPaISO 178
bending strength 
85.0MPaISO 178
Yield, 50 mm span79.3MPaASTM D790

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179/1eA
-30℃60kJ/m²ISO 179/1eA
23℃70kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength ISO 179/1eU
-30℃无断裂 ISO 179/1eU
23℃无断裂 ISO 179/1eU
Impact strength of cantilever beam notch 
-30℃690J/mASTM D256
23℃800J/mASTM D256
-30℃60kJ/m²ISO 180-1A
23℃70kJ/m²ISO 180-1A
Notched impact strength of cantilever beam 
23℃3200J/mASTM D4812
-30℃无断裂 ISO 180/1U
23℃无断裂 ISO 180/1U
Dart impact equipped with measuring instruments ASTM D3763
-30℃,Total Energy61.0JASTM D3763
23℃,Total Energy62.1JASTM D3763

THERMALNominal valueUnitTest method
Hot deformation temperature 
0.45 MPa, unannealed, 3.2 mm136ASTM D648
0.45 MPa, unannealed, 100 mm span136ISO 75-2/Be
1.8 MPa, unannealed, 3.2 mm122ASTM D648
1.8 MPa, unannealed, 100 mm span122ISO 75-2/Ae
Vicat Softening Temp 
B50141ASTM D1525 11 , ISO 306/B50 11
B120140ISO 306/B120
Ball pressure test
125℃通过 IEC 60695-10-2
Linear coefficient of thermal expansion 
MD:-40~40℃7.0E-51/℃ASTM E831
MD:23~80℃6.9E-51/℃ISO 11359-2
TD:-40~40℃7.2E-51/℃ASTM E831
TD:23~80℃7.3E-51/℃ISO 11359-2
Relative temperature index80.0UL 746
Electrical performance80.0UL 746
Impact mechanical performance80.0UL 746

Electrical performanceNominal valueUnitTest method
Surface resistivity4.1E+17ohmsIEC 60093
Volume resistivity1.7E+17ohms·cmIEC 60093
Dielectric strength
3.2 mm in oil18kV/mmIEC 60243-1
Relative permittivity
1 MHz2.69 IEC 60250
Dissipation factor
1 MHz9.4E-3 IEC 60250
Arc resistancePLC 5 ASTM D495
Compared to the leakage tracing indexPLC 3 UL 746
High Arc Burning Index (HAI)PLC 0 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 mmHB UL 94

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 temperature271 to 293°C
Barrel middle temperature282 to 304°C
Barrel front temperature293 to 316°C
Nozzle temperature288 to 310°C
Processing (melt) temperature293 to 316°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. at Yield
7. 80*10*3 sp=62mm
8. 80*10*3 mm
9. 120*10*4 mm
10. Rate A (50°C/h), Loading 2 (50 N)
11. Tungsten Electrode
12. Surface
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