LEXAN™ RCX7243 resin

About
Lexan* RCX7243 is an impact modified PC blend containing 30% PCR content with non-brominated and non-chlorinated FR for thin-wall applications requiring excellent impact/flow balance performance.&&

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesHigh impact resistance,Halogen free,Flame Characteristics,V-2,V-1,V-0
AvailabilitysAsia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.19g/cm³ASTM D792
Melt Flow Rate
260℃,2.16kg19g/10minASTM D1238
Shrinkage rate
MD:3.2 mm0.40 to 0.60%Internal Method
Water absorption rate
Saturation, 23 ℃0.15%ISO 62

MECHANICALNominal valueUnitTest method
Tensile modulus2400MPaASTM D638
tensile strengthASTM D638
yield58.0MPa
fracture53.0MPa
Tensile strainASTM D638
yield4.0%
fracture60%
Bending modulus
50 mm span2350MPaASTM D790
bending strength
Yield, 50 mm span100MPaASTM D790

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
-30℃130J/mASTM D256
23℃690J/mASTM D256
23℃50kJ/m²ISO 180-1A
Dart impact equipped with measuring instruments
23℃,Total Energy57.0JASTM D3763

THERMALNominal valueUnitTest method
Hot deformation temperatureASTM D648
0.45 MPa, unannealed, 6.4 mm101
1.8 MPa, unannealed, 3.2 mm86.0
Vicat Softening Temp104ASTM D1525 7
Linear coefficient of thermal expansionASTM E831
MD:-40~40℃7.5E-51/℃
TD:-40~40℃7.5E-51/℃

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant levelUL 94
0.40 mmV-2
0.60 mmV-1
0.75 mmV-0

Process Conditions
injectionNominal valueUnitTest method
Drying temperature80.0 to 90.0°C
Drying time2.0 to 4.0hr
Recommended maximum moisture content0.020%
Hopper temperature60.0 to 80.0°C
Barrel rear temperature230 to 280°C
Barrel middle temperature240 to 290°C
Barrel front temperature250 to 300°C
Nozzle temperature250 to 300°C
Processing (melt) temperature250 to 300°C
Mold temperature60.0 to 85.0°C
Vent depth0.030 to 0.075mm

Notes
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