SABIC Innovative Plastics LEXAN 4504 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 | 1.2 g/cc | ASTM D 792 |
Water Absorption | 0.16 % | 24 hours @ 73F; ASTM D 570 |
Linear Mold Shrinkage | 0.007 - 0.008 cm/cm | Flow, 0.125 inch; ASTM D 955 |
Melt Flow | 3 g/10 min | 300C/1.2 kgf (O); ASTM D 1238 |
Mechanical Properties |
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Hardness, Rockwell M | 85 | ASTM D 785 |
Hardness, Rockwell R | 122 | ASTM D 785 |
Tensile Strength @ Break | 10400 psi | Type I, 2.0 in/min; ASTM D 638 |
Tensile Strength @ Yield | 9500 psi | Type I, 2.0 in/min; ASTM D 638 |
Elongation at Break | 122 % | Type I, 2.0 in/min; ASTM D 638 |
Flexural Modulus | 294000 psi | 0.05 in/min, 2" span; ASTM D 790 |
Flexural Yield Strength | 13800 psi | 0.05 in/min, 2" span; ASTM D 790 |
Izod Impact, Unnotched | 60 ft-lb/in | 73F; ASTM D 4812 |
Tensile Impact Strength | 275 ft-lb/in² | Type "S"; ASTM D 1822 |
Falling Dart Impact | 110 ft-lb | 73F; ASTM D 3029 |
Izod Impact, Notched | 12 ft-lb/in | 73F; ASTM D 256 |
Electrical Properties |
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Volume Resistivity | Min 2.6e+017 ohm-cm | ASTM D 257 |
Dielectric Constant | 3 | 1 MHz; ASTM D 150 |
Dielectric Constant | 3.15 | 60 Hz; ASTM D 150 |
Dielectric Strength | 515 V/mil | in air, 125 mils; ASTM D 149 |
Dissipation Factor | 0.0012 | 60 Hz; ASTM D 150 |
Dissipation Factor | 0.024 | 100 Hz; ASTM D 150 |
Comparative Tracking Index | 175 - 250 V | (+/- 0.125 inch); PLC Code 3; UL 746A |
Hot Wire Ignition, HWI | 30 - 60 sec | (+/- 0.125 inch); PLC Code 2; UL 746A |
High Amp Arc Ignition, HAI | Max 15 arcs | Surface (+/- 0.125 inch); PLC Code 4; 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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CTE, linear 68°F | 51 µin/in-°F | Flow, -40F to 200F; ASTM E 831 |
Specific Heat Capacity | 0.3 BTU/lb-°F | ASTM C 351 |
Thermal Conductivity | 0.21 W/m-K | ASTM C 177 |
Deflection Temperature at 1.8 MPa (264 psi) | 290 °F | 0.125 inch, unannealed; ASTM D 648 |
UL RTI, Electrical | 125 °C | UL 746B |
UL RTI, Mechanical with Impact | 125 °C | UL 746B |
UL RTI, Mechanical without Impact | 125 °C | UL 746B |
Flammability, UL94 | V-2 | 0.058 in. |
Optical Properties |
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Refractive Index | 1.6 | ASTM D 542 |
Haze | 1 % | 0.100 inch; ASTM D 1003 |
Transmission, Visible | 85 % | 0.100 inch; ASTM D 1003 |
Descriptive Properties | |
UL File Number, USA | E121562 | |
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