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Sabic Lexan 4251R High Heat Polycarbonate Copolymer Blend With An Excellent Balance Of Heat Resistance, Processability

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Sabic Lexan 4251R High Heat Polycarbonate Copolymer Blend With An Excellent Balance Of Heat Resistance, Processability
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Features
Specifications
Melt Flow Rate, 300°C/1.2 Kgf: 5.6
Basic Infomation
Place of Origin: ——
Brand Name: Sabic Lexan
Certification: COA/ICP Test/Rohs/MSDS
Model Number: 4251R
Payment & Shipping Terms
Packaging Details: 25KG/BAG
Delivery Time: To be negotiated
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: To be negotiated
Product Description

Sabic Lexan  4251R resin is High heat polycarbonate copolymer blend with an excellent balance of heat resistance, processability, and impact strength. Available in a range of opaque colors.
 


Property

TYPICAL PROPERTIES (1)      
MECHANICAL Value Unit Standard
Tensile Stress, yld, Type I, 50 mm/min 64 MPa ASTM D 638
Tensile Stress, brk, Type I, 50 mm/min 63 MPa ASTM D 638
Tensile Strain, yld, Type I, 50 mm/min 6.7 % ASTM D 638
Tensile Strain, brk, Type I, 50 mm/min 102 % ASTM D 638
Tensile Modulus, 50 mm/min 2180 MPa ASTM D 638
Flexural Stress, yld, 1.3 mm/min, 50 mm span 101 MPa ASTM D 790
Flexural Modulus, 1.3 mm/min, 50 mm span 2230 MPa ASTM D 790
Tensile Stress, yield, 50 mm/min 62 MPa ISO 527
Tensile Stress, break, 50 mm/min 59 MPa ISO 527
Tensile Strain, yield, 50 mm/min 6.6 % ISO 527
Tensile Strain, break, 50 mm/min 96.1 % ISO 527
Tensile Modulus, 1 mm/min 2160 MPa ISO 527
Flexural Stress, yield, 2 mm/min 7 MPa ISO 178
Flexural Modulus, 2 mm/min 2040 MPa ISO 178
IMPACT Value Unit Standard
Izod Impact, notched, 23°C 639 J/m ASTM D 256
Izod Impact, notched, -30°C 331 J/m ASTM D 256
Instrumented Impact Total Energy, 23°C 75 J ASTM D 3763
Instrumented Impact Total Energy, -30°C 78 J ASTM D 3763
Izod Impact, notched 80*10*4 +23°C 43 kJ/m² ISO 180/1A
Izod Impact, notched 80*10*4 -30°C 20 kJ/m² ISO 180/1A
Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm 48 kJ/m² ISO 179/1eA
THERMAL Value Unit Standard
Vicat Softening Temp, Rate B/50 156 °C ASTM D 1525
HDT, 1.82 MPa, 3.2mm, unannealed 136 °C ASTM D 648
CTE, -40°C to 40°C, flow 6.16E+01 1/°C ASTM E 831
CTE, -40°C to 40°C, xflow 6.73E+01 1/°C ASTM E 831
CTE, -40°C to 40°C, flow 6.16E+01 1/°C ISO 11359-2
CTE, -40°C to 40°C, xflow 6.73E+01 1/°C ISO 11359-2
Vicat Softening Temp, Rate B/50 155 °C ISO 306
Vicat Softening Temp, Rate B/120 157 °C ISO 306
HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm 134 °C ISO 75/Af
PHYSICAL Value Unit Standard
Specific Gravity 1.2 - ASTM D 792
Mold Shrinkage, flow, 3.2 mm 0.6 - 0.8 % SABIC Method
Melt Flow Rate, 300°C/1.2 kgf 5.6 g/10 min ASTM D 1238
Density 1.1 g/cm³ ISO 1183
Water Absorption, (23°C/sat) 0.24 % ISO 62
Moisture Absorption (23°C / 50% RH) 0.09 % ISO 62
Melt Volume Rate, MVR at 330°C/2.16kg 31 cm³/10 min ISO 1133
Source GMD, last updated:04/03/2007    

Processing

Parameter    
Injection Molding Value Unit
Drying Temperature 120 °C
Drying Time 3 - 4 hrs
Drying Time (Cumulative) 48 hrs
Maximum Moisture Content 0.02 %
Melt Temperature 310 - 330 °C
Nozzle Temperature 305 - 325 °C
Front - Zone 3 Temperature 310 - 330 °C
Middle - Zone 2 Temperature 300 - 320 °C
Rear - Zone 1 Temperature 290 - 310 °C
Mold Temperature 80 - 115 °C
Back Pressure 0.3 - 0.7 MPa
Screw Speed 40 - 70 rpm
Shot to Cylinder Size 40 - 60 %
Vent Depth 0.025 - 0.076 mm
Source GMD, last updated:04/03/2007  

 


 

For more information please download the datasheet

Sabic Lexan 4251R High Heat Polycarbonate Copolymer Blend With An Excellent Balance Of Heat Resistance, Processability 0  Sabic Lexan 4251R.pdf

 

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