MatWeb, The Online Materials Database
LNP (SABIC Innovative Plastics) LEXAN® EXCP0001 Polycarbonate, 16% Carbon Powder
Subcategory: Filled/Reinforced Thermoplastic; 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:
Electronic packaging applications.
- Features: Electrically Conductive, Low to none Ion content
- Forms: Pellets
- Processing Method: Injection Molding
| Physical Properties | Metric | English | Comments | |
| ||||
| Specific Gravity | 1.27 g/cc | 0.0459 lb/in³ | ASTM D792 | |
| Linear Mold Shrinkage | 0.006 - 0.008 cm/cm | 0.006 - 0.008 in/in | 3.18 mm; ASTM D955 | |
| Linear Mold Shrinkage, Transverse | 0.006 - 0.008 cm/cm | 0.006 - 0.008 in/in | 3.18 mm; ASTM D955 | |
| Melt Flow | 27 g/10 min | 27 g/10 min | 300°C / 5.0 kg; ASTM D1238 | |
Mechanical Properties | ||||
| ||||
| Tensile Strength at Break | 59.3 MPa | 8600 psi | Type I, 5mm/min; ASTM D638 | |
| Tensile Strength, Yield | 63.4 MPa | 9200 psi | Type I, 5mm/min; ASTM D638 | |
| Elongation at Break | 13 % | 13 % | Type I, 5mm/min; ASTM D638 | |
| Elongation at Yield | 13 % | 13 % | Type I, 5mm/min; ASTM D638 | |
| Flexural Modulus | 2.9 GPa | 421 ksi | (50.8 mm Span) 1mm/min; ASTM D790 | |
| Flexural Strength | 105 MPa | 15200 psi | at Break, (50.8 mm Span) 1mm/min; ASTM D790 | |
| Izod Impact, Notched | 0.48 J/cm | 0.899 ft-lb/in | ASTM D256 | |
| Izod Impact, Unnotched | 16 J/cm | 30 ft-lb/in | ASTM D256 | |
| Falling Dart Impact | 26.6 J | 19.6 ft-lb | ASTM D3763 | |
Electrical Properties | ||||
| ||||
| Volume Resistivity | 300000 ohm-cm | 300000 ohm-cm | ASTM D257 | |
| Surface Resistance | 100000 ohm | 100000 ohm | ASTM D257 | |
| Static Decay | Max 0.01 sec | Max 0.01 sec | 5000V to <50V; FTMS101B | |
Thermal Properties | ||||
| ||||
| Deflection Temperature at 0.46 MPa (66 psi) | 141 °C | 286 °F | Unannealed (3.18 mm); ASTM D648 | |
| Deflection Temperature at 1.8 MPa (264 psi) | 129 °C | 264 °F | Unannealed (3.18 mm); ASTM D648 | |
Processing Properties | ||||
| ||||
| Rear Barrel Temperature | 266 - 288 °C | 511 - 550 °F | ||
| Middle Barrel Temperature | 277 - 299 °C | 531 - 570 °F | ||
| Front Barrel Temperature | 288 - 310 °C | 550 - 590 °F | ||
| Nozzle Temperature | 282 - 304 °C | 540 - 579 °F | ||
| Melt Temperature | 288 - 310 °C | 550 - 590 °F | ||
| Mold Temperature | 71.1 - 93.3 °C | 160 - 200 °F | ||
| Drying Temperature | 121 °C | 250 °F | ||
| Dry Time | 3 - 8 hour | 3 - 8 hour | ||
| Moisture Content | 0.02 % | 0.02 % | Suggested | |
| Back Pressure | 0.345 - 0.689 MPa | 50 - 99.9 psi | ||
| Clamp Pressure | 41 - 69 MPa | 5950 - 10000 psi | ||
| Shot Size | 40 - 60 % | 40 - 60 % | Suggested | |
| Vent Depth | 0.0025 - 0.0076 cm | 0.000984 - 0.00299 in | ||
| Screw Speed | 40 - 70 rpm | 40 - 70 rpm | ||
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