LEXAN™ Copolymer EXL8483

About
LEXAN EXL8483 is a PC/siloxane copolymer resin with medium flow, excellent low temperature impact and 80% post consumer recycle content. Limited availability and restricted color only. Higher color variability and contamination risks including black specs needs to be considered before approval for use in applications.&&

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesModerate liquidity,Copolymer,low-temperature impact resistance
AvailabilitysAsia Pacific
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.20g/cm³ASTM D792
Melt Flow Rate
300℃,1.20kg10g/10minASTM D1238
Shrinkage rate
MD:3.2 mm0.40 to 0.80%Internal Method
Water absorption rate
23℃,24hr0.15%ISO 62

MECHANICALNominal valueUnitTest method
Tensile modulus2200MPaASTM D638
tensile strength
yield57.0MPa
fracture55.0MPa
Tensile strain
yield6.0%
fracture100%
Bending modulus
50 mm span2100MPaASTM D790
bending strength
Yield, 50 mm span90.0MPaASTM D790

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
-40℃600J/m
-30℃650J/m
23℃800J/m
Dart impact equipped with measuring instruments
23℃,Total Energy70.0JASTM D3763

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed, 3.2 mm123ASTM D648
Vicat Softening Temp145ASTM D1525 7
Linear coefficient of thermal expansion
MD:-40~40℃6.0E-51/℃
TD:-40~40℃6.0E-51/℃

Electrical performanceNominal valueUnitTest method
Surface resistivity> 1.0E+15ohmsASTM D257
Volume resistivity> 1.0E+15ohms·cmASTM D257
Dielectric strength
0.8 mm in oil15kV/mmASTM D149
Dielectric constant
1 MHz3.00 ASTM D150
Dissipation factor
1 MHz9.3E-3 ASTM D150

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
0.75 mmHB UL 94
Glowing wire flammability index
1.0 mm850
3.0 mm960
Igniting temperature of the hot wire
1 mm875
3 mm875

Process Conditions
injectionNominal valueUnitTest method
Drying temperature120°C
Drying time3.0 to 4.0hr
Recommended maximum moisture content0.020%
Recommended injection volume40 to 60%
Barrel rear temperature270 to 295°C
Barrel middle temperature280 to 305°C
Barrel front temperature295 to 315°C
Nozzle temperature290 to 310°C
Processing (melt) temperature295 to 315°C
Mold temperature70 to 95°C
Back pressure0.300 to 0.700MPa
Screw speed40 to 70rpm
Vent depth0.025 to 0.076mm

Notes
1. Typical properties: these are not to be construed as specifications.
2. Internal Method
3. 0.20 in/min
4. Type I, 2.0 in/min
5. 0.051 in/min
6. Rate A (50°C/h), Loading 2 (50 N)
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Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials.