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          LEXAN/244R/PC物性表參數

          責任編輯:admin發表時間:2020-04-20 02:48:24

          沙伯基礎SABIC塑料LEXAN 244R PC是一種溶指10.5 MFR的聚碳酸酯,美國FDA標準(有限顏色),提高火焰阻滯,內部帶脫模劑。
          沙伯基礎SABIC塑料LEXAN 244R PC物性表參數PDF文檔下載
          LEXAN 101R
          以下是沙伯基礎SABIC塑料LEXAN 244R PC物性表參數
          PROPERTIES   TYPICAL VALUES UNITS TEST METHODS
          MECHANICAL        
          Tensile Stress, yld, Type I, 50 mm/min   62 MPa ASTM D 638
          Tensile Stress, brk, Type I, 50 mm/min   68 MPa ASTM D 638
          Tensile Strain, yld, Type I, 50 mm/min   7 % ASTM D 638
          Tensile Strain, brk, Type I, 50 mm/min   130 % ASTM D 638
          Flexural Stress, yld, 1.3 mm/min, 50 mm span   96 MPa ASTM D 790
          Flexural Modulus, 1.3 mm/min, 50 mm span   2340 MPa ASTM D 790
          Hardness, Rockwell M   70 - ASTM D 785
          Hardness, Rockwell R   118 - ASTM D 785
          Taber Abrasion, CS-17, 1 kg   10 mg/1000cy ASTM D 1044
          IMPACT        
          Izod Impact, unnotched, 23°C   3204 J/m ASTM D 4812
          Izod Impact, notched, 23°C   801 J/m ASTM D 256
          Tensile Impact, Type S   577 kJ/m² ASTM D 1822
          Falling Dart Impact (D 3029), 23°C   169 J ASTM D 3029
          THERMAL        
          Vicat Softening Temp, Rate B/50   154 °C ASTM D 1525
          HDT, 0.45 MPa, 6.4 mm, unannealed   137 °C ASTM D 648
          HDT, 1.82 MPa, 6.4 mm, unannealed   132 °C ASTM D 648
          CTE, -40°C to 95°C, flow   6.84E-05 1/°C ASTM E 831
          Specific Heat   1.25 J/g-°C ASTM C 351
          Thermal Conductivity   0.27 W/m-°C ASTM C177
          Relative Temp Index, Elec   130 °C UL 746B
          Relative Temp Index, Mech w/impact   130 °C UL 746B
          Relative Temp Index, Mech w/o impact   130 °C UL 746B
          PHYSICAL        
          Specific Gravity   1.2 - ASTM D 792
          Specific Volume   0.83 cm³/g ASTM D 792
          Density   1.19 g/cm³ ASTM D 792
          Water Absorption, 24 hours   0.15 % ASTM D 570
          Water Absorption, equilibrium, 23C   0.35 % ASTM D 570
          Water Absorption, equilibrium, 100°C   0.58 % ASTM D 570
          Mold Shrinkage, flow, 3.2 mm   0.5-0.7 % SABIC method
          Melt Flow Rate, 300°C/1.2 kgf   10.5 g/10 min ASTM D 1238
          OPTICAL        
          Light Transmission, 2.54 mm   88 % ASTM D 1003
          Haze, 2.54 mm   1 % ASTM D 1003
          Refractive Index   1.586 - ASTM D542
          ELECTRICAL        
          Volume Resistivity   >1.E+17 Ohm-cm ASTM D 257
          Dielectric Strength, in air, 3.2 mm   14.9 kV/mm ASTM D 149
          Relative Permittivity, 50/60 Hz   3.17 - ASTM D 150
          Relative Permittivity, 1 MHz   2.96 - ASTM D 150
          Dissipation Factor, 50/60 Hz   0.0009 - ASTM D 150
          Dissipation Factor, 1 MHz   0.01 - ASTM D 150
          Hot Wire Ignition {PLC)   2 PLC Code UL 746A
          High Voltage Arc Track Rate {PLC}   2 PLC Code UL 746A
          High Ampere Arc Ign, surface {PLC}   1 PLC Code UL 746A
          Comparative Tracking Index (UL) {PLC}   2 PLC Code UL 746A
          FLAME CHARACTERISTICS        
          UL Recognized, 94V-2 Flame Class Rating   1.47 mm UL 94
          UL Recognized, 94V-0 Flame Class Rating   5.99 mm UL 94
          Oxygen Index (LOI)   25 % ASTM D 2863
          Injection Molding        
          Drying Temperature   120 °C  
          Drying Time   3-4 hrs  
          Drying Time (Cumulative)   48 hrs  
          Maximum Moisture Content   0.02 %  
          Melt Temperature   295-315 °C  
          Nozzle Temperature   290-310 °C  
          Front - Zone 3 Temperature   295-315 °C  
          Middle - Zone 2 Temperature   280-305 °C  
          Rear - Zone 1 Temperature   270-295 °C  
          Mold Temperature   70-95 °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

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