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SABIC Innovative Plastics VALOX 327 PBT (North America)

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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 PropertiesOriginal ValueComments
Density1.29 g/cc ASTM D 792
Water Absorption0.08 % 24 hours @ 73F; ASTM D 570
Linear Mold Shrinkage0.014 - 0.018 cm/cm Flow, 30-90 mil; ASTM D 955
Linear Mold Shrinkage0.017 - 0.023 cm/cm Flow, 90-180 mil; ASTM D 955
Linear Mold Shrinkage, Transverse0.014 - 0.018 cm/cm 30-90 mil; ASTM D 955
Linear Mold Shrinkage, Transverse0.017 - 0.022 cm/cm 90-180 mil; ASTM D 955

Mechanical Properties
Tensile Strength @ Yield7000 psi Type I, 2.0 in/min; ASTM D 638
Elongation at Break200 % Type I, 2.0 in/min; ASTM D 638
Flexural Modulus320000 psi 0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength12000 psi 0.05 in/min, 2" span; ASTM D 790
Izod Impact, Notched1.5 ft-lb/in 73F; ASTM D 256

Electrical Properties
Volume Resistivity1e+017 ohm-cm ASTM D 257
Dielectric Constant2.9 1 MHz; ASTM D 150
Dielectric Strength406 V/mil in air, 32 mils; ASTM D 149
Dissipation Factor0.02 1 MHz; ASTM D 150

Thermal Properties
Deflection Temperature at 0.46 MPa (66 psi)305 °F 0.250 inch, unannealed; ASTM D 648
Deflection Temperature at 1.8 MPa (264 psi)130 °F 0.250 inch, unannealed; ASTM D 648
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