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MatWeb, The Online Materials Database
SABIC Innovative Plastics LEXAN ML4189 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.
Physical Properties | Metric | English | Comments |
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Density | 1.2 g/cc | 0.0434 lb/in³ | ASTM D 792 |
Water Absorption | 0.15 % | 0.15 % | 24 hours @ 73F; ASTM D 570 |
Melt Flow | 13.5 g/10 min | 13.5 g/10 min | 300C/1.2 kgf (O); ASTM D 1238 |
Mechanical Properties |
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Tensile Strength @ Yield | 62.1 MPa | 9000 psi | Type I, 2.0 in/min; ASTM D 638 |
Elongation at Break | 110 % | 110 % | Type I, 2.0 in/min; ASTM D 638 |
Flexural Modulus | 2.34 GPa | 340 ksi | 0.05 in/min, 2" span; ASTM D 790 |
Flexural Yield Strength | 93.1 MPa | 13500 psi | 0.05 in/min, 2" span; ASTM D 790 |
Tensile Impact Strength | 550 kJ/m² | 262 ft-lb/in² | Type "S"; ASTM D 1822 |
Falling Dart Impact | 169 J | 125 ft-lb | 73F; ASTM D 3029 |
Izod Impact, Notched | 7.47 J/cm | 14 ft-lb/in | 73F; ASTM D 256 |
Electrical Properties |
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Dielectric Strength | 15 kV/mm | 380 V/mil | in air, 125 mils; ASTM D 149 |
Comparative Tracking Index | 250 - 400 V | 250 - 400 V | (+/- 0.125 inch); PLC Code 2; UL 746A |
Hot Wire Ignition, HWI | 30 - 60 sec | 30 - 60 sec | (+/- 0.125 inch); PLC Code 2; 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 | 25.4 - 80 mm/min | 1 - 3.15 in/min | (+/- 0.125 inch); PLC Code 2; UL 746A |
Thermal Properties |
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Deflection Temperature at 1.8 MPa (264 psi) | 128 °C | 262 °F | 0.250 inch, unannealed; ASTM D 648 |
UL RTI, Electrical | 130 °C | 266 °F | UL 746B |
UL RTI, Mechanical with Impact | 130 °C | 266 °F | UL 746B |
UL RTI, Mechanical without Impact | 130 °C | 266 °F | UL 746B |
Flammability, UL94 | V-2 | V-2 | 0.043 in. |
Flammability, UL94 | V-0 | V-0 | 0.236 in. |
Oxygen Index | 25 % | 25 % | ASTM D 2863 |
Optical Properties |
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Transmission, Visible | 87.5 % | 87.5 % | 0.100 inch; ASTM D 1003 |
Descriptive Properties | |
UL File Number, USA | E121562 | |
UV-light, water exposure/immersion | F2 | UL746C |
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