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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 Properties	Metric	English	Comments
Density	1.31 g/cc	0.0473 lb/in³	ASTM D 792
Water Absorption	0.08 %	0.08 %	24 hours @ 73F; ASTM D 570
Linear Mold Shrinkage	0.009 - 0.016 cm/cm	0.009 - 0.016 in/in	Flow, 30-90 mil; ASTM D 955
Linear Mold Shrinkage	0.015 - 0.023 cm/cm	0.015 - 0.023 in/in	Flow, 90-180 mil; ASTM D 955
Linear Mold Shrinkage, Transverse	0.01 - 0.017 cm/cm	0.01 - 0.017 in/in	30-90 mil; ASTM D 955
Linear Mold Shrinkage, Transverse	0.016 - 0.024 cm/cm	0.016 - 0.024 in/in	90-180 mil; ASTM D 955
Mechanical Properties
Hardness, Rockwell R	117	117	ASTM D 785
Tensile Strength @ Yield	51.7 MPa	7500 psi	Type I, 2.0 in/min; ASTM D 638
Elongation at Break	300 %	300 %	Type I, 2.0 in/min; ASTM D 638
Flexural Modulus	2.34 GPa	340 ksi	0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength	82.7 MPa	12000 psi	0.05 in/min, 2" span; ASTM D 790
Izod Impact, Unnotched	16 J/cm	30 ft-lb/in	73F; ASTM D 4812
Gardner Impact	40.7 J	30 ft-lb	Modified Gardner, 73F; ASTM D 3029
Izod Impact, Notched	0.534 J/cm	1 ft-lb/in	73F; ASTM D 256
Electrical Properties
Volume Resistivity	Min 4e+016 ohm-cm	Min 4e+016 ohm-cm	ASTM D 257
Dielectric Constant	3.1	3.1	1 MHz; ASTM D 150
Dielectric Constant	3.3	3.3	100 Hz; ASTM D 150
Dielectric Strength	15.7 kV/mm	400 V/mil	in air, 125 mils; ASTM D 149
Dielectric Strength	23.2 kV/mm	590 V/mil	in oil, 62 mils; ASTM D 149
Dissipation Factor	0.002	0.002	100 Hz; ASTM D 150
Dissipation Factor	0.02	0.02	1 MHz; ASTM D 150
Thermal Properties
CTE, linear 68°F	81 µm/m-°C	45 µin/in-°F	Flow, -40F to 100F; ASTM E 831
CTE, linear, 212°F (100°C)	139 µm/m-°C	77 µin/in-°F	Flow, 140F to 280F; ASTM E 831
Deflection Temperature at 0.46 MPa (66 psi)	154 °C	310 °F	0.250 inch, unannealed; ASTM D 648
Deflection Temperature at 1.8 MPa (264 psi)	54.4 °C	130 °F	0.250 inch, unannealed; ASTM D 648