LEXAN™ Copolymer 123X

About
Improved flow PC with excellent processability and mold release.&&

Product Description
SupplierSABIC
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesExcellent Processability,Good liquidity
AvailabilitysNorth America
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.20g/cm³ASTM D792
Melt Flow Rate
300℃,1.20kg20g/10minASTM D1238
Melt Volume Rate
220℃,5 kg18.0cm³/10minISO 1133
Shrinkage rate
MD:3.2 mm0.40 to 0.80%Internal Method
Water absorption rate
Saturation, 23 ℃0.35%
Equilibrium, 23 ℃, 50% RH0.15%

MECHANICALNominal valueUnitTest method
Tensile modulus
2320MPaASTM D638
2450MPaISO 527-1-2
tensile strength
yield60.0MPaASTM D638
yield60.0MPaISO 527-2/50
fracture60.0MPaASTM D638
fracture59.0MPaISO 527-2/50
Tensile strain
yield6.0%ASTM D638
yield6.0%ISO 527-2/50
fracture120%ASTM D638
fracture120%ISO 527-2/50
Bending modulus
50 mm span2360MPaASTM D790
2310MPaISO 178
bending strength
71.0MPaISO 178
Yield, 50 mm span96.0MPaASTM D790

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
-30℃12kJ/m²
23℃65kJ/m²
Charpy Unnotch Impact strength
-30℃无断裂 
23℃无断裂 
Impact strength of cantilever beam notch
-30℃240J/mASTM D256
23℃830J/mASTM D256
-30℃11kJ/m²ISO 180-1A
23℃65kJ/m²ISO 180-1A
Notched impact strength of cantilever beam
-30℃无断裂 
23℃无断裂 
Dart impact equipped with measuring instruments
23℃,Total Energy72.0JASTM D3763

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed, 3.2 mm128ASTM D648
1.8 MPa, unannealed, 6.4 mm129ASTM D648
1.8 MPa, unannealed, 4.0 mm, 64 mm span122ISO 75-2/Af
Vicat Softening Temp
141ASTM D1525 10
B120143ISO 306/B120
Linear coefficient of thermal expansion
MD:-40~40℃6.0E-51/℃ASTM E831
TD:-40~40℃6.0E-51/℃ASTM E831
TD:-40℃6.0E-51/℃ISO 11359-2

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. 2.0 in/min
3. Type I, 2.0 in/min
4. 0.051 in/min
5. 0.079 in/min
6. at Yield
7. 80*10*3 sp=62mm
8. 80*10*3 mm
9. 80*10*4 mm
10. Rate A (50°C/h), Loading 2 (50 N)
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