SABIC Innovative Plastics LEXAN SP1252 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 | Original Value | Comments |
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Density | 1.27 g/cc | ASTM D 792 |
Water Absorption | 0.11 % | 24 hours @ 73F; ASTM D 570 |
Linear Mold Shrinkage | 0.0025 - 0.0045 cm/cm | Flow, 0.125 inch; ASTM D 955 |
Mechanical Properties |
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Hardness, Rockwell R | 124 | ASTM D 785 |
Tensile Strength @ Break | 9000 psi | Type I, 0.2 in/min; ASTM D 638 |
Elongation at Yield | 12 % | Type I, 0.2 in/min; ASTM D 638 |
Tensile Modulus | 425000 psi | 0.2 in/min; ASTM D 638 |
Flexural Modulus | 450000 psi | 0.05 in/min, 2" span; ASTM D 790 |
Flexural Yield Strength | 14000 psi | 0.05 in/min, 2" span; ASTM D 790 |
Gardner Impact @ 23°C | 300 in-lb | Instrumented Impact Total Energy, 73°F; ASTM D 3763 |
Izod Impact, Notched | 2 ft-lb/in | 73F; ASTM D 256 |
Electrical Properties |
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Arc Resistance | 60 - 120 sec | Tungsten (+/- 0.125 inch); PLC Code 6; ASTM D 495 |
Comparative Tracking Index | 100 - 175 V | (+/- 0.125 inch); PLC Code 4; UL 746A |
Hot Wire Ignition, HWI | 30 - 60 sec | (+/- 0.125 inch); PLC Code 2; UL 746A |
High Amp Arc Ignition, HAI | Min 120 arcs | Surface (+/- 0.125 inch); PLC Code 0; UL 746A |
High Voltage Arc-Tracking Rate, HVTR | 80 - 150 mm/min | (+/- 0.125 inch); PLC Code 3; UL 746A |
Thermal Properties |
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Deflection Temperature at 1.8 MPa (264 psi) | 245 °F | 0.250 inch, unannealed; ASTM D 648 |
UL RTI, Electrical | 80 °C | UL 746B |
UL RTI, Mechanical with Impact | 80 °C | UL 746B |
UL RTI, Mechanical without Impact | 80 °C | UL 746B |
Flammability, UL94 | V-0 | 0.058 in. |
Descriptive Properties | |
CSA File No. | LS88480 | |
UL File Number, USA | E121562 | |
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