LEXAN™ 4251R resin

Category: PC+PPC , Polycarbonate + PPC
Manufacturer: SABIC Innovative Plastics
Trademark: LEXAN™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: EML5By_LEXAN-4251R-resin.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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High heat polycarbonate copolymer blend with an excellent balance of heat resistance, processability, and impact strength. Available in a range of opaque colors.
General Information
Features
  • Copolymer
  • Good Processability
  • High Heat Resistance
  • High Impact Resistance
Appearance
  • Colors Available
  • Opaque
Processing Method
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Specific Gravity
    -- 1.20g/cm³ASTM D792
    -- 1.10g/cm³ISO 1183
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)5.6g/10 minASTM D1238
Melt Volume-Flow Rate (MVR) (330°C/2.16 kg)31.4cm³/10minISO 1133
Molding Shrinkage - Flow (3.20 mm)0.60 to 0.80%Internal Method
Water Absorption ISO 62
    Saturation, 23°C 0.24%
    Equilibrium, 23°C, 50% RH 0.090%
MechanicalNominal ValueUnitTest Method
Tensile Modulus
    -- 12180MPaASTM D638
    -- 2160MPaISO 527-2/1
Tensile Strength
    Yield 264.4MPaASTM D638
    Yield 62.6MPaISO 527-2/50
    Break 363.7MPaASTM D638
    Break 59.3MPaISO 527-2/50
Tensile Elongation
    Yield 46.7%ASTM D638
    Yield 6.6%ISO 527-2/50
    Break 5100%ASTM D638
    Break 96%ISO 527-2/50
Flexural Modulus
    50.0 mm Span 62230MPaASTM D790
    -- 72040MPaISO 178
Flexural Stress
    -- 7.50MPaISO 178
    Yield, 50.0 mm Span 8101MPaASTM D790
ImpactNominal ValueUnitTest Method
Charpy Notched Impact Strength 9(23°C)48kJ/m²ISO 179/1eA
Notched Izod Impact
    -30°C 330J/mASTM D256
    23°C 640J/mASTM D256
    -30°C 1021kJ/m²ISO 180/1A
    23°C 1144kJ/m²ISO 180/1A
Instrumented Dart Impact ASTM D3763
    -30°C, Total Energy 78.1J
    23°C, Total Energy 75.3J
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load
    1.8 MPa, Unannealed, 3.20 mm 136°CASTM D648
    1.8 MPa, Unannealed, 64.0 mm Span 12135°CISO 75-2/Af
Vicat Softening Temperature
    -- 156°CASTM D1525, ISO 306/B50 10 13
    -- 157°CISO 306/B120
CLTE ASTM E831, ISO 11359-2
    Flow : -40 to 40°C 6.2E-5cm/cm/°C
    Transverse : -40 to 40°C 6.7E-5cm/cm/°C
InjectionNominal ValueUnit
Drying Temperature 121°C
Drying Time 3.0 to 4.0hr
Drying Time, Maximum 48hr
Suggested Max Moisture 0.020%
Suggested Shot Size 40 to 60%
Rear Temperature 288 to 310°C
Middle Temperature 299 to 321°C
Front Temperature 310 to 332°C
Nozzle Temperature 304 to 327°C
Processing (Melt) Temp 310 to 332°C
Mold Temperature 82.2 to 116°C
Back Pressure 0.345 to 0.689MPa
Screw Speed 40 to 70rpm
Vent Depth 0.025 to 0.076mm
Note Message
1 .50 mm/min
2 .Type I, 50 mm/min
3 .Type I, 50 mm/min
4 .Type I, 50 mm/min
5 .Type I, 50 mm/min
6 .1.3 mm/min
7 .2.0 mm/min
8 .1.3 mm/min
9 .80*10*4 sp=62mm
10 .80*10*4
11 .80*10*4
12 .80*10*4 mm
13 .Rate B (120°C/h), Loading 2 (50 N)
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