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LEXAN/244R/PC物性表参数

责任编辑:文和林发表时间:2020-04-20

沙伯基础SABIC塑料LEXAN 244R PC是一种溶指10.5 MFR的聚碳酸酯,美国FDA标准(有限颜色),提高火焰阻滞,内部带脱模剂。
沙伯基础SABIC塑料LEXAN 244R PC物性表参数PDF文档下载
LEXAN 101R
以下是沙伯基础SABIC塑料LEXAN 244R PC物性表参数
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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