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SABIC Innovative Plastics VALOX 311 PBT (North America)


Subcategory: 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:
Information provided by GE Plastics for their North American product line.

Physical PropertiesMetricEnglishComments
Density1.31 g/cc0.0473 lb/in³ ASTM D 792
Water Absorption0.08 %0.08 % 24 hours @ 73F; ASTM D 570
Linear Mold Shrinkage0.009 - 0.016 cm/cm0.009 - 0.016 in/in Flow, 30-90 mil; ASTM D 955
Linear Mold Shrinkage0.015 - 0.023 cm/cm0.015 - 0.023 in/in Flow, 90-180 mil; ASTM D 955
Linear Mold Shrinkage, Transverse0.01 - 0.017 cm/cm0.01 - 0.017 in/in 30-90 mil; ASTM D 955
Linear Mold Shrinkage, Transverse0.016 - 0.024 cm/cm0.016 - 0.024 in/in 90-180 mil; ASTM D 955

Mechanical Properties
Hardness, Rockwell R117117 ASTM D 785
Tensile Strength @ Yield51.7 MPa7500 psi Type I, 2.0 in/min; ASTM D 638
Elongation at Break300 %300 % Type I, 2.0 in/min; ASTM D 638
Flexural Modulus2.34 GPa340 ksi 0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength82.7 MPa12000 psi 0.05 in/min, 2" span; ASTM D 790
Izod Impact, Unnotched16 J/cm30 ft-lb/in 73F; ASTM D 4812
Gardner Impact40.7 J30 ft-lb Modified Gardner, 73F; ASTM D 3029
Izod Impact, Notched0.534 J/cm1 ft-lb/in 73F; ASTM D 256

Electrical Properties
Volume ResistivityMin 4e+016 ohm-cmMin 4e+016 ohm-cm ASTM D 257
Dielectric Constant3.13.1 1 MHz; ASTM D 150
Dielectric Constant3.33.3 100 Hz; ASTM D 150
Dielectric Strength15.7 kV/mm400 V/mil in air, 125 mils; ASTM D 149
Dielectric Strength23.2 kV/mm590 V/mil in oil, 62 mils; ASTM D 149
Dissipation Factor0.0020.002 100 Hz; ASTM D 150
Dissipation Factor0.020.02 1 MHz; ASTM D 150

Thermal Properties
CTE, linear 68°F81 µm/m-°C45 µin/in-°F Flow, -40F to 100F; ASTM E 831
CTE, linear, 212°F (100°C)139 µm/m-°C77 µin/in-°F Flow, 140F to 280F; ASTM E 831
Deflection Temperature at 0.46 MPa (66 psi)154 °C310 °F 0.250 inch, unannealed; ASTM D 648
Deflection Temperature at 1.8 MPa (264 psi)54.4 °C130 °F 0.250 inch, unannealed; ASTM D 648

 


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