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MatWeb, The Online Materials Database
SABIC Innovative Plastics LEXAN® ML4389 Polycarbonate, Unfilled, Injection Grade
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: Data for 3.2 mm (1/8 in) samples unless otherwise noted. Data provided by GE Plastics.
Physical Properties | Metric | English | Comments |
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Density | 1.2 g/cc | 0.0434 lb/in³ | ASTM D792 |
Water Absorption | 0.15 % | 0.15 % | 24 hrs; 20°C; ASTM D570 |
Linear Mold Shrinkage | 0.005 - 0.007 cm/cm | 0.005 - 0.007 in/in | 3.2 mm sample |
Melt Flow | 12.5 g/10 min | 12.5 g/10 min | 300°C/1.2kg; ASTM D1238 |
Mechanical Properties |
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Tensile Strength, Ultimate | 62 MPa | 8990 psi | ASTM D638 |
Flexural Modulus | 2.3 GPa | 334 ksi | 3.2 mm sample; ASTM D790 |
Flexural Yield Strength | 93 MPa | 13500 psi | ASTM D790 |
Izod Impact, Notched | 8.5 J/cm | 15.9 ft-lb/in | 3.2 mm sample; ASTM D256 |
Thermal Properties |
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Deflection Temperature at 1.8 MPa (264 psi) | 129 °C | 264 °F | 6.4 mm (0.25 in.) sample; ASTM D648 |
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 | 1.1 mm |
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