LEXAN™ 943AR resin

About
中等粘度,优异的阻燃性。紫外线稳定。清晰的色调和不透明的颜色。

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesWeather resistance is good,Flame Characteristics
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific

Technical Data
MECHANICALNominal valueUnitTest method
tensile strength
Fracture, Type I, 50 mm/min56MPaASTM D638
Yield, Type I, 50 mm/min63MPaASTM D638
Tensile strain
Fracture, Type I, 50 mm/min90%ASTM D638
Yield, Type I, 50 mm/min7%ASTM D638
bending strength
Yield, 1.30 mm/min, 50 mm span90.252MPaASTM D790
Bending modulus
Fracture, 1.30 mm/min, 50 mm span2236.68MPaASTM D790
Rockwell hardness
R-level118ASTM D785
M-level70ASTM D785
Taber wear and tear
CS-17, 1 kg10mg/1000cyASTM D1044

IMPACTNominal valueUnitTest method
Notched impact strength of cantilever beam
23℃3194.8J/mASTM D4812
Impact strength of cantilever beam notch
23℃637J/mASTM D256
Tensile impact
S-shaped535cm-kgf/cm²ASTM D 1822
Falling dart impact
D 3029,23℃1728cm-kgfASTM D 3029

THERMALNominal valueUnitTest method
Vicat Softening Temp151ASTM D1525
Hot deformation temperature
1.8 MPa, unannealed, 3.2 mm132ASTM D648
0.45 MPa, unannealed, 3.2 mm137ASTM D648
Linear coefficient of thermal expansion
MD:-30~40℃6.84E-051/℃ASTM E831
Thermal conductivity coefficient0.19W/m/℃ASTM C 177
Relative temperature index
Non mechanical impact performance130UL 746B
Electrical performance130UL 746B
Impact mechanical performance120UL 746B

PHYSICALNominal valueUnitTest method
Density1.21ASTM D792
Specific volume0.83cm³/gASTM D 792
Water absorption rate
24hr0.15%ASTM D570
Water absorption rate
Equilibrium, 23 ℃0.35%ASTM D570
Equilibrium, 100 ℃0.58%ASTM D570
Shrinkage rate
MD:3.2 mm0.5 – 0.7%Internal Method
Melt Flow Rate
300℃,1.20kg10g/10minASTM D1238

optical performanceNominal valueUnitTest method
Transmittance
2.54 mm85%ASTM D1003
Haze
2.54 mm1%ASTM D1003
Refractive index1.586ASTM D542

Electrical performanceNominal valueUnitTest method
Volume resistivity> 1.E + 17ohms·cmASTM D257
Insulation strength
3.2 mm in air16.7kV/mmASTM D 149
Relative permittivity
50-60 Hz3.01ASTM D150
Relative permittivity
1 MHz2.96ASTM D150
Dissipation factor
50-60 Hz0.0009ASTM D150
Dissipation factor
1 MHz0.01ASTM D150
Arc resistance
Tungsten wire7PLC CodeASTM D495
Hot wire ignition {PLC}2PLC CodeUL 746A
High voltage arc marking rate {PLC}3PLC CodeUL 746A
High current arc ignition (surface {PLC})2PLC CodeUL 746A
Compared to the leakage tracing index3PLC CodeUL 746A

FLAME CHARACTERISTICSNominal valueUnitTest method
94V-2 flame level1.47mmUL 94
94V-0 flame level3mmUL 94
Extreme oxygen index
LOI35%ASTM D2863
ultraviolet radiation
Water exposure/soakingF1UL 746C

Process Conditions
injection moldingNominal valueUnitTest method
Drying temperature120°C°C
Drying time3 – 4hrs
Drying time (cumulative)48hrs
Maximum water content0.02%
Melt temperature295 – 315°C
Nozzle temperature290 – 310°C
Front Section Zone 3 Temperature295 – 315°C
Temperature in Zone 2 of the middle section280 – 305°C
Temperature in Zone 1 of the rear section270 – 295°C
Mold temperature70 – 95°C
Back pressure0.3 – 0.7MPa
Screw speed40 – 70rpm
Shoot to cylinder size40 – 60%
Depth of exhaust groove0.025-0.076mm

Notes
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