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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

Information provided by LNP, a GE Plastics Company.

Physical Properties Metric English Comments

Specific Gravity 1.66 g/cc 0.06 lb/in³ ASTM D792

Mechanical Properties

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

Volume Resistivity 160 ohm-cm 160 ohm-cm ASTM D257

Surface Resistance 100000 ohm 100000 ohm ASTM D257

Thermal Properties

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

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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