LEXAN™ 953 resin

About
不透明的颜色,高粘度,卓越的阻燃性。紫外线稳定。MFR 7.0g/10 min

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesWeather resistance is good,High Viscosity,Flame Characteristics
AvailabilitysNorth America

Technical Data
MECHANICALNominal valueUnitTest method
tensile strength
Yield, Type I, 50 mm/min62MPaASTM D638
tensile strength
Fracture, 50 mm/min55MPaASTM D638
Tensile strain
Yield, 50 mm/min7%ASTM D638
Tensile strain
Fracture, 50 mm/min90%ASTM D638
bending strength
Yield, 1.30 mm/min, 50 mm span91MPaASTM D790
Bending modulus
2240MPaASTM D790
Roche hardness M70ASTM D 785
Roche hardness R118ASTM D 785
Taber wear and tear
CS-17, 1 kg10mg/1000cyASTM D1044

IMPACTNominal valueUnitTest method
Notched impact strength of cantilever beam
23℃3204J/mASTM D 4812
Impact strength of cantilever beam notch
23℃640J/mASTM D256
Tensile impact
S-shaped525kJ/m²ASTM D 1822
Drop hammer impact
D 3029,23℃169JASTM D3029

THERMALNominal valueUnitTest method
Vicat Softening Temp151ASTM D1525
Hot deformation temperature
1.8 MPa, unannealed, 6.4 mm132ASTM D648
0.45 MPa, unannealed, 6.4 mm137ASTM D648
Linear coefficient of thermal expansion
MD:-40~95℃6.84E-051/℃ASTM E831
Thermal conductivity coefficient0.19W/m/℃ASTM C 177
Relative heat index130UL 746B
Non mechanical impact performance130UL 746B
Mechanical impact performance120UL 746B

PHYSICALNominal valueUnitTest method
Density1.21g/cm³ASTM D792
Specific product0.83cm³/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℃,1.20kg7g/10minASTM D1238

Electrical performanceNominal valueUnitTest method
Volume resistivity>1.E+17ohms·cmASTM D257
Dielectric strength
3.2 mm in air16.7kV/mmASTM D149
Relative permittivity
50-60 Hz3.01ASTM D150
1 MHz2.96ASTM D150
Dissipation factor
50-60 Hz0.0009ASTM D150
1 MHz0.01ASTM D150
Arc resistance
Tungsten wire7PLC CodeASTM D495
Resistance wire ignition1PLC CodeUL 746A
High voltage arc resistance3PLC CodeUL 746A
High current arc ignition
surface5PLC CodeUL 746A
Compared to the leakage tracing index
CTI3PLC CodeUL 746A

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant rating 94V-01.49mmUL 94
ultraviolet radiation
Water exposure/immersionF1UL 746C

Process Conditions
injection moldingNominal valueUnitTest method
Drying temperature120°C
Drying time3 – 4hrs
Drying time (gradually increasing)48hrs
Maximum water content0.02%
Melt temperature310 – 330°C
Spray nozzle temperature305 – 325°C
Front temperature310 – 330°C
Mid section temperature300 – 320°C
Post stage temperature290 – 310°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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