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LNP (SABIC Innovative Plastics) VALOX® EXCP0212 Polybutylene Terephthalate, 45% Graphite Fiber Reinforcement
Subcategory: Filled/Reinforced Thermoplastic; Polybutylene Terephthalate (PBT); Polyester, TP; Polymer; Thermoplastic
Close Analogs: Saudi Basic Industries Corporation (SABIC) announced on August 31st, 2007, the completion of its purchase of GE Plastics.
Material Notes:
Automotive heat sinks/spreaders, cooling fans.
- Features: Thermally Conductive, Electrically Conductive, Flame Retardant
- Forms: Pellets
- Processing Method: Injection Molding
| Physical Properties | Metric | English | Comments | |
| ||||
| Specific Gravity | 1.66 g/cc | 0.06 lb/in³ | ASTM D792 | |
Mechanical Properties | ||||
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| Tensile Strength at Break | 49 MPa | 7110 psi | Type I, 5 mm/min; ASTM D638 | |
| Tensile Strength, Yield | 49 MPa | 7110 psi | Type I, 5 mm/min; ASTM D638 | |
| Elongation at Break | 1.7 % | 1.7 % | Type I, 5 mm/min; ASTM D638 | |
| Flexural Modulus | 8.64 GPa | 1250 ksi | (50.8 mm Span) 1mm/min; ASTM D790 | |
| Flexural Strength | 73.8 MPa | 10700 psi | at Break, (50.8 mm Span) 1mm/min; ASTM D790 | |
| Izod Impact, Notched | 0.16 J/cm | 0.3 ft-lb/in | ASTM D256 | |
| Izod Impact, Unnotched | 0.907 J/cm | 1.7 ft-lb/in | ASTM D256 | |
| Falling Dart Impact | 4.34 J | 3.2 ft-lb | ASTM D3763 | |
Electrical Properties | ||||
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| Volume Resistivity | 160 ohm-cm | 160 ohm-cm | ASTM D257 | |
| Surface Resistance | 100000 ohm | 100000 ohm | ASTM D257 | |
Thermal Properties | ||||
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| Thermal Conductivity | 1.1 W/m-K | 7.63 BTU-in/hr-ft²-°F | ASTM C177 | |
| Deflection Temperature at 0.46 MPa (66 psi) | 213 °C | 415 °F | Unannealed (3.18 mm); ASTM D648 | |
| Deflection Temperature at 1.8 MPa (264 psi) | 161 °C | 322 °F | Unannealed (3.18 mm); ASTM D648 | |
Processing Properties | ||||
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| Rear Barrel Temperature | 238 - 254 °C | 460 - 489 °F | ||
| Middle Barrel Temperature | 243 - 260 °C | 469 - 500 °F | ||
| Front Barrel Temperature | 249 - 266 °C | 480 - 511 °F | ||
| Nozzle Temperature | 243 - 260 °C | 469 - 500 °F | ||
| Melt Temperature | 249 - 266 °C | 480 - 511 °F | ||
| Mold Temperature | 48.9 - 76.7 °C | 120 - 170 °F | ||
| Drying Temperature | 121 °C | 250 °F | ||
| Dry Time | 3 - 12 hour | 3 - 12 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 - 80 % | 40 - 80 % | Suggested | |
| Vent Depth | 0.0025 - 0.0038 cm | 0.000984 - 0.0015 in | ||
| Screw Speed | 50 - 100 rpm | 50 - 100 rpm | ||
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