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SABIC Innovative Plastics VALOX 508U 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	1.5 g/cc	0.0542 lb/in³	ASTM D 792
Water Absorption	0.06 %	0.06 %	24 hours @ 73F; ASTM D 570
Linear Mold Shrinkage	0.003 - 0.005 cm/cm	0.003 - 0.005 in/in	Flow, 60-125 mil; ASTM D 955
Linear Mold Shrinkage	0.005 - 0.008 cm/cm	0.005 - 0.008 in/in	Flow, 125-180 mil; ASTM D 955
Linear Mold Shrinkage, Transverse	0.004 - 0.006 cm/cm	0.004 - 0.006 in/in	60-125 mil; ASTM D 955
Linear Mold Shrinkage, Transverse	0.006 - 0.009 cm/cm	0.006 - 0.009 in/in	125-180 mil; ASTM D 955
Mechanical Properties
Hardness, Rockwell R	119	119	ASTM D 785
Tensile Strength @ Break	110 MPa	16000 psi	Type I, 0.2 in/min; ASTM D 638
Flexural Modulus	6.89 GPa	1000 ksi	0.05 in/min, 2" span; ASTM D 790
Flexural Strength	190 MPa	27500 psi	0.05 in/min, 2" span; ASTM D 790
Izod Impact, Unnotched	6.41 J/cm	12 ft-lb/in	73F; ASTM D 4812
Izod Impact, Notched	0.961 J/cm	1.8 ft-lb/in	73F; ASTM D 256
Electrical Properties
Volume Resistivity	5.9e+016 ohm-cm	5.9e+016 ohm-cm	ASTM D 257
Dielectric Constant	3.6	3.6	100 Hz; ASTM D 150
Dielectric Constant	3.6	3.6	1 MHz; ASTM D 150
Dielectric Strength	23.6 kV/mm	600 V/mil	in air, 125 mils; ASTM D 149
Dielectric Strength	29.1 kV/mm	740 V/mil	in oil, 62 mils; ASTM D 149
Dissipation Factor	0.0014	0.0014	100 Hz; ASTM D 150
Dissipation Factor	0.02	0.02	1 MHz; ASTM D 150
Arc Resistance	60 - 120 sec	60 - 120 sec	Tungsten (+/- 0.125 inch); PLC Code 6; ASTM D 495
Comparative Tracking Index	100 - 175 V	100 - 175 V	(+/- 0.125 inch); PLC Code 4; UL 746A
Hot Wire Ignition, HWI	60 - 120 sec	60 - 120 sec	(+/- 0.125 inch); PLC Code 1; UL 746A
High Amp Arc Ignition, HAI	15 - 30 arcs	15 - 30 arcs	Surface (+/- 0.125 inch); PLC Code 3; UL 746A
High Voltage Arc-Tracking Rate, HVTR	25.4 - 80 mm/min	1 - 3.15 in/min	(+/- 0.125 inch); PLC Code 2; UL 746A
Thermal Properties
CTE, linear 68°F	23.4 µm/m-°C	13 µin/in-°F	Flow, -40F to 100F; ASTM E 831
CTE, linear, 212°F (100°C)	16.2 µm/m-°C	9 µin/in-°F	Flow, 140F to 280F; ASTM E 831
Deflection Temperature at 0.46 MPa (66 psi)	216 °C	420 °F	0.250 inch, unannealed; ASTM D 648
Deflection Temperature at 1.8 MPa (264 psi)	177 °C	350 °F	0.250 inch, unannealed; ASTM D 648
UL RTI, Electrical	125 °C	257 °F	UL 746B
UL RTI, Mechanical with Impact	110 °C	230 °F	UL 746B
UL RTI, Mechanical without Impact	125 °C	257 °F	UL 746B
Flammability, UL94	HB	HB	0.058 in.
Descriptive Properties
UL File Number, USA	E121562
UV-light, water exposure/immersion	F2	UL746C