SABIC Innovative Plastics LEXAN PC 503 Polycarbonate (North America)
Subcategory: Polycarbonate; Polymer; Thermoplastic
Close Analogs: Saudi Basic Industries Corporation (SABIC) announced on August 31st, 2007, the completion of its purchase of GE Plastics.
Material Notes:
Information provided by GE Plastics for their North American product line.
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| Physical Properties | Metric | English | Comments | |
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| Density | 1.25 g/cc | 0.0452 lb/in? | ASTM D 792 | |
| Water Absorption | 0.12 % | 0.12 % | 24 hours @ 73F; ASTM D 570 | |
| Water Absorption at Saturation | 0.31 % | 0.31 % | Equilibrium, 73F; ASTM D 570 | |
| Linear Mold Shrinkage | 0.002 - 0.004 cm/cm | 0.002 - 0.004 in/in | Flow, 0.125 inch; ASTM D 955 | |
Mechanical Properties |
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| Hardness, Rockwell M | 85 | 85 | ASTM D 785 | |
| Hardness, Rockwell R | 124 | 124 | ASTM D 785 | |
| Tensile Strength @ Break | 55.2 MPa | 8000 psi | Type I, 0.2 in/min; ASTM D 638 | |
| Tensile Strength @ Yield | 66.2 MPa | 9600 psi | Type I, 0.2 in/min; ASTM D 638 | |
| Elongation at Break | 15 % | 15 % | Type I, 0.2 in/min; ASTM D 638 | |
| Elongation at Yield | 8 % | 8 % | Type I, 0.2 in/min; ASTM D 638 | |
| Flexural Modulus | 3.45 GPa | 500 ksi | 0.05 in/min, 2" span; ASTM D 790 | |
| Flexural Yield Strength | 103 MPa | 15000 psi | 0.05 in/min, 2" span; ASTM D 790 | |
| Fatigue Strength | 13.8 MPa | 2000 psi | Fatigue Limit, 2.5 MM cycles; ASTM D 671 | |
| Izod Impact, Unnotched | 21.4 J/cm | 40 ft-lb/in | 73F; ASTM D 4812 | |
| Tensile Impact Strength | 158 kJ/m? | 75 ft-lb/in? | Type "S"; ASTM D 1822 | |
| Falling Dart Impact | 102 J | 75 ft-lb | 73F; ASTM D 3029 | |
| Taber Abrasion, mg/1000 Cycles | 11 | 11 | CS-17, 1 kg; ASTM D 1044 | |
| Izod Impact, Notched | 1.07 J/cm | 2 ft-lb/in | 73F; ASTM D 256 | |
Electrical Properties |
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| Volume Resistivity | Min 1e+017 ohm-cm | Min 1e+017 ohm-cm | ASTM D 257 | |
| Dielectric Constant | 3.05 | 3.05 | 1 MHz; ASTM D 150 | |
| Dielectric Constant | 3.1 | 3.1 | 60 Hz; ASTM D 150 | |
| Dielectric Strength | 17.7 kV/mm | 450 V/mil | in air, 125 mils; ASTM D 149 | |
| Dissipation Factor | 0.0008 | 0.0008 | 60 Hz; ASTM D 150 | |
| Dissipation Factor | 0.0075 | 0.0075 | 1 MHz; ASTM D 150 | |
| Arc Resistance | Max 60 sec | Max 60 sec | Tungsten (+/- 0.125 inch); PLC Code 7; ASTM D 495 | |
| Comparative Tracking Index | 100 - 175 V | 100 - 175 V | (+/- 0.125 inch); PLC Code 4; UL 746A | |
| Hot Wire Ignition, HWI | 60 - 120 sec | 60 - 120 sec | (+/- 0.125 inch); PLC Code 1; UL 746A | |
| High Amp Arc Ignition, HAI | 60 - 120 arcs | 60 - 120 arcs | Surface (+/- 0.125 inch); PLC Code 1; UL 746A | |
| High Voltage Arc-Tracking Rate, HVTR | 80 - 150 mm/min | 3.15 - 5.91 in/min | (+/- 0.125 inch); PLC Code 3; UL 746A | |
Thermal Properties |
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| CTE, linear 68?F | 32.4 ?m/m-?C | 18 ?in/in-?F | Flow, -40F to 200F; ASTM E 831 | |
| Specific Heat Capacity | 1.21 J/g-?C | 0.29 BTU/lb-?F | ASTM C 351 | |
| Thermal Conductivity | 0.2 W/m-K | 1.39 BTU-in/hr-ft?-?F | ASTM C 177 | |
| Deflection Temperature at 0.46 MPa (66 psi) | 146 ?C | 295 ?F | 0.250 inch, unannealed; ASTM D 648 | |
| Deflection Temperature at 1.8 MPa (264 psi) | 142 ?C | 288 ?F | 0.250 inch, unannealed; ASTM D 648 | |
| Vicat Softening Point | 154 ?C | 310 ?F | Rate B; ASTM D 1525 | |
| UL RTI, Electrical | 120 ?C | 248 ?F | UL 746B | |
| UL RTI, Mechanical with Impact | 110 ?C | 230 ?F | UL 746B | |
| UL RTI, Mechanical without Impact | 125 ?C | 257 ?F | UL 746B | |
| Flammability, UL94 | V-0 | V-0 | 0.028 in. | |
| Flammability, UL94 | 7 | 7 | 0.118 in. | |
| Oxygen Index | 36 % | 36 % | ASTM D 2863 | |
Descriptive Properties |
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| UL File Number, USA | E121562 | |||
| UV-light, water exposure/immersion | F1 | UL746C | ||
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