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SABIC Innovative Plastics VALOX 325 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. MatWeb has a separate entry for the European data sheet.

Physical PropertiesOriginal ValueComments
Density1.31 g/cc ASTM D 792
Water Absorption0.08 % 24 hours @ 73F; ASTM D 570
Water Absorption at Saturation0.34 % Equilibrium, 73F; ASTM D 570
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
Hardness, Rockwell R117 ASTM D 785
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

Electrical Properties
Volume ResistivityMin 4e+016 ohm-cm ASTM D 257
Dielectric Constant3.1 1 MHz; ASTM D 150
Dielectric Constant3.3 100 Hz; ASTM D 150
Dielectric Strength400 V/mil in air, 125 mils; ASTM D 149
Dielectric Strength400 V/mil in oil, 125 mils; ASTM D 149
Dielectric Strength590 V/mil in oil, 62 mils; ASTM D 149
Dissipation Factor0.002 100 Hz; ASTM D 150
Dissipation Factor0.02 1 MHz; ASTM D 150
Arc Resistance180 - 240 sec Tungsten (+/- 0.125 inch); PLC Code 4; ASTM D 495
Comparative Tracking IndexMin 600 V (+/- 0.125 inch); PLC Code 0; UL 746A
Hot Wire Ignition, HWI15 - 30 sec (+/- 0.125 inch); PLC Code 3; UL 746A
High Amp Arc Ignition, HAIMin 120 arcs Surface (+/- 0.125 inch); PLC Code 0; UL 746A
High Voltage Arc-Tracking Rate, HVTR10 - 25.4 mm/min (+/- 0.125 inch); PLC Code 1; UL 746A

Thermal Properties
CTE, linear 68°F45 µin/in-°F Flow, -40F to 100F; ASTM E 831
CTE, linear, 212°F (100°C)77 µin/in-°F Flow, 140F to 280F; ASTM E 831
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
UL RTI, Electrical120 °C UL 746B
UL RTI, Mechanical with Impact120 °C UL 746B
UL RTI, Mechanical without Impact140 °C UL 746B
Flammability, UL94HB 0.033 in.

Descriptive Properties
UL File Number, USAE121562 
UV-light, water exposure/immersionF1 UL746C
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