MatWeb, The Online Materials Database

LNP (SABIC Innovative Plastics) VALOX® EXCP0214 Polybutylene Terephthalate, 45% Carbon 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, High Strength
  • Forms: Pellets
  • Processing Method: Injection Molding
Information provided by LNP, a GE Plastics Company.

Physical PropertiesMetricEnglishComments
Specific Gravity1.67 g/cc0.0603 lb/in³ ASTM D792

Mechanical Properties
Tensile Strength at Break95.1 MPa13800 psi Type I, 5 mm/min; ASTM D638
Tensile Strength, Yield95.1 MPa13800 psi Type I, 5 mm/min; ASTM D638
Elongation at Break1.6 %1.6 % Type I, 5 mm/min; ASTM D638
Flexural Modulus22.6 GPa3280 ksi (50.8 mm Span) 1mm/min; ASTM D790
Flexural Strength134 MPa19400 psi at Break, (50.8 mm Span) 1mm/min; ASTM D790
Izod Impact, Notched0.267 J/cm0.5 ft-lb/in ASTM D256
Izod Impact, Unnotched1.6 J/cm3 ft-lb/in ASTM D256
Falling Dart Impact4.75 J3.5 ft-lb ASTM D3763

Electrical Properties
Volume Resistivity1500 ohm-cm1500 ohm-cm ASTM D257
Surface Resistance100000 ohm100000 ohm ASTM D257

Thermal Properties
Thermal Conductivity1.1 W/m-K7.63 BTU-in/hr-ft²-°F ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)214 °C417 °F Unannealed (3.18 mm); ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)183 °C361 °F Unannealed (3.18 mm); ASTM D648

Processing Properties
Rear Barrel Temperature238 - 254 °C460 - 489 °F 
Middle Barrel Temperature243 - 260 °C469 - 500 °F 
Front Barrel Temperature249 - 266 °C480 - 511 °F 
Nozzle Temperature243 - 260 °C469 - 500 °F 
Melt Temperature249 - 266 °C480 - 511 °F 
Mold Temperature48.9 - 76.7 °C120 - 170 °F 
Drying Temperature121 °C250 °F 
Dry Time3 - 12 hour3 - 12 hour 
Moisture Content0.02 %0.02 % Suggested
Back Pressure0.345 - 0.689 MPa50 - 99.9 psi 
Clamp Pressure41 - 69 MPa5950 - 10000 psi 
Shot Size40 - 80 %40 - 80 % Suggested
Vent Depth0.0025 - 0.0038 cm0.000984 - 0.0015 in 
Screw Speed50 - 100 rpm50 - 100 rpm 

 


Copyright 1996-2010 by Automation Creations, Inc.  The information provided by MatWeb is intended for personal, non-commercial use. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from Automation Creations, Inc. No warranty, neither expressed nor implied, is given regarding the accuracy of this information. The user assumes all risk and liability in connection with the use of information from MatWeb.