LEXAN™ 151 resin

About
SABIC的LEXAN™树脂151是无定形聚碳酸酯(PC)级。具有出色的机械,光学,电气和热性能。提供抗冲击性,出色的尺寸稳定性和晶体透明度。LEXAN™树脂151适用于注塑和吹塑加工。符合UL 94 HB防火等级。

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesGood Clarity,High impact resistance,Good Dimensional Stability
AvailabilitysAfrica & Middle East ,North America,Latin America

Technical Data
MECHANICALNominal valueUnitTest method
tensile strength
Yield, Type I, 50 mm/min63MPaASTM D638
tensile strength
Fracture, Type I, 50 mm/min66MPaASTM D638
Tensile strain
Yield, 50 mm/min7%ASTM D638
Tensile strain
Fracture, 50 mm/min110%ASTM D638
bending strength
Yield, 1.30 mm/min, 0 mm span92.214MPaASTM D790
Bending modulus
2344.59MPaASTM D790
Rockwell hardness
M-level70ASTM D785
Rockwell hardness
R-level118ASTM D785
Taber wear and tear
CS-17,1kg10mg/1000cyASTM D1044

IMPACTNominal valueUnitTest method
Notched impact strength of cantilever beam
23℃3194.8J/mASTM D4812
Impact strength of cantilever beam notch
23℃744.8J/mASTM D256
Tensile impact
S-shaped642cm-kgf/cm²ASTM D 1822
Drop hammer impact
D 3029,23℃170n.mASTM D3029

THERMALNominal valueUnitTest method
Vicat Softening Temp157ASTM 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:-40~95℃6.84E-051/℃ASTM E831
specific heat1.25J/g-℃ASTM C 351
Thermal conductivity coefficient0.19W/m/℃ASTM C 177
Relative temperature index
Non mechanical impact performance125UL 746B
Electrical performance125UL 746B
Impact mechanical performance115UL 746B

PHYSICALNominal valueUnitTest method
Density1.2ASTM D792
Specific volume0.83cm³/gASTM D 792
Density1.19g/cm³ASTM D792
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:24 hrs0.5-0.7%Internal Method
Melt Flow Rate
300℃,1.20kg2.5g/10minASTM D1238

optical performanceNominal valueUnitTest method
Transmittance88%ASTM D1003
Haze1%ASTM D1003
Refractive index1.586ASTM D542

Electrical performanceNominal valueUnitTest method
Volume resistivity>1.E+17ohms·cmASTM D257
Dielectric strength
3.2 mm in air14.9kV/mmASTM D149
Relative permittivity
50-60 Hz3.17ASTM D150
1 MHz2.96ASTM D150
Dissipation factor
50-60 Hz0.0009ASTM D150
Dissipation factor
1 MHz0.01ASTM D150
Arc resistance
Tungsten wire5PLC CodeASTM D495
Hot wire ignition {PLC}4PLC CodeUL 746A
High voltage arc marking rate {PLC}2PLC CodeUL 746A
High current arc ignition (surface {PLC})2PLC CodeUL 746A
Compared to the leakage tracing index2PLC CodeUL 746A

FLAME CHARACTERISTICSNominal valueUnitTest method
94HB flame rating assessment1.47mmUL 94

Process Conditions
Extrusion blow moldingNominal valueUnitTest method
injection moldingNominal valueUnitTest method
Drying temperature120°C
Drying time2 – 4hrs
Maximum water content0.02%
Minimum moisture content0.01%
Mold temperature (billet)265 – 280°C
Temperature of barrel heating zone 1260 – 290°C
Temperature of barrel heating zone 2260 – 290°C
Temperature of barrel heating zone 3260 – 290°C
Temperature of barrel heating zone 4260 – 290°C
Adjust the temperature in Zone 5260 – 290°C
Mold temperature60 – 100°C
Drying temperature120°C
Drying time3 – 4hrs
Drying time (gradually increasing)48hrs
Maximum water content0.02%
Melt temperature320 – 345°C
Nozzle temperature315 – 340°C
Front temperature320 – 345°C
Mid section temperature310 – 330°C
Post stage temperature300 – 320°C
Mold temperature80 – 115°C
Back pressure0.3 – 0.7MPa
Screw speed40 – 70rpm
Shooting cylinder size40 – 60%
Depth of exhaust groove0.025 – 0.076mm

Notes
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