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MatWeb, The Online Materials Database
SABIC Innovative Plastics LEXAN PK2870 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 |
Water Absorption at Saturation | 0.35 % | 0.35 % | Equilibrium, 73F; ASTM D 570 |
Water Absorption at Saturation | 0.58 % | 0.58 % | Equilibrium, 212F; ASTM D 570 |
Linear Mold Shrinkage | 0.005 - 0.007 cm/cm | 0.005 - 0.007 in/in | Flow, 0.125 inch; ASTM D 955 |
Melt Flow | 2.5 g/10 min | 2.5 g/10 min | 300C/1.2 kgf (O); ASTM D 1238 |
Mechanical Properties |
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Hardness, Rockwell R | 118 | 118 | ASTM D 785 |
Tensile Strength @ Break | 65.5 MPa | 9500 psi | Type I, 2.0 in/min; ASTM D 638 |
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 |
Elongation at Yield | 7 % | 7 % | 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 |
Fatigue Strength | 6.89 MPa | 1000 psi | Fatigue Limit, 2.5 MM cycles; ASTM D 671 |
Izod Impact, Unnotched | 32 J/cm | 60 ft-lb/in | 73F; ASTM D 4812 |
Falling Dart Impact | 169 J | 125 ft-lb | 73F; ASTM D 3029 |
Taber Abrasion, mg/1000 Cycles | 10 | 10 | CS-17, 1 kg; ASTM D 1044 |
Izod Impact, Notched | 7.47 J/cm | 14 ft-lb/in | 73F; ASTM D 256 |
Thermal Properties |
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CTE, linear 68°F | 68.4 µm/m-°C | 38 µin/in-°F | Flow, -40F to 200F; ASTM E 831 |
Specific Heat Capacity | 1.26 J/g-°C | 0.3 BTU/lb-°F | ASTM C 351 |
Thermal Conductivity | 0.19 W/m-K | 1.32 BTU-in/hr-ft²-°F | ASTM C 177 |
Deflection Temperature at 0.46 MPa (66 psi) | 138 °C | 280 °F | 0.250 inch, unannealed; ASTM D 648 |
Deflection Temperature at 1.8 MPa (264 psi) | 132 °C | 270 °F | 0.250 inch, unannealed; ASTM D 648 |
Vicat Softening Point | 157 °C | 315 °F | Rate B; ASTM D 1525 |
UL RTI, Electrical | 80 °C | 176 °F | UL 746B |
UL RTI, Mechanical with Impact | 80 °C | 176 °F | UL 746B |
UL RTI, Mechanical without Impact | 80 °C | 176 °F | UL 746B |
Flammability, UL94 | HB | HB | 0.018 in. |
Optical Properties |
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Refractive Index | 1.586 | 1.586 | ASTM D 542 |
Haze | 1 % | 1 % | 0.100 inch; ASTM D 1003 |
Transmission, Visible | 88 % | 88 % | 0.100 inch; ASTM D 1003 |
Descriptive Properties | |
UL File Number, USA | E121562 | |
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