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SABIC Innovative Plastics VALOX 321 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 PropertiesOriginal ValueComments
Density1.31 g/cc ASTM D 792
Linear Mold Shrinkage0.009 - 0.016 cm/cm Flow, 30-90 mil; ASTM D 955
Linear Mold Shrinkage0.015 - 0.023 cm/cm Flow, 90-180 mil; ASTM D 955
Linear Mold Shrinkage, Transverse0.01 - 0.017 cm/cm 30-90 mil; ASTM D 955
Linear Mold Shrinkage, Transverse0.016 - 0.024 cm/cm 90-180 mil; ASTM D 955

Mechanical Properties
Tensile Strength @ Yield7500 psi Type I, 2.0 in/min; ASTM D 638
Elongation at Break200 % Type I, 2.0 in/min; ASTM D 638
Flexural Modulus340000 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, Unnotched30 ft-lb/in 73F; ASTM D 4812
Gardner Impact30 ft-lb Modified Gardner, 73F; ASTM D 3029
Izod Impact, Notched1 ft-lb/in 73F; ASTM D 256

Thermal Properties
Deflection Temperature at 0.46 MPa (66 psi)310 °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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