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SABIC Innovative Plastics VALOX 357 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 PropertiesMetricEnglishComments
Density1.34 g/cc0.0484 lb/in³ ASTM D 792
Water Absorption0.08 %0.08 % 24 hours @ 73F; ASTM D 570
Linear Mold Shrinkage0.008 - 0.011 cm/cm0.008 - 0.011 in/in Flow, 30-90 mil; ASTM D 955
Linear Mold Shrinkage0.01 - 0.014 cm/cm0.01 - 0.014 in/in Flow, 90-180 mil; ASTM D 955
Linear Mold Shrinkage, Transverse0.009 - 0.013 cm/cm0.009 - 0.013 in/in 30-90 mil; ASTM D 955
Linear Mold Shrinkage, Transverse0.012 - 0.016 cm/cm0.012 - 0.016 in/in 90-180 mil; ASTM D 955

Mechanical Properties
Hardness, Rockwell R117117 ASTM D 785
Tensile Strength @ Break48.3 MPa7000 psi Type I, 2.0 in/min; ASTM D 638
Tensile Strength @ Yield48.3 MPa7000 psi Type I, 2.0 in/min; ASTM D 638
Elongation at Break110 %110 % Type I, 2.0 in/min; ASTM D 638
Flexural Modulus2.07 GPa300 ksi 0.05 in/min, 2" span; ASTM D 790
Flexural Strength82.7 MPa12000 psi 0.05 in/min, 2" span; ASTM D 790
Flexural Yield Strength82.7 MPa12000 psi 0.05 in/min, 2" span; ASTM D 790
Izod Impact, Unnotched32 J/cm60 ft-lb/in 73F; ASTM D 4812
Gardner Impact43.4 J32 ft-lb 73F; ASTM D 3029
Gardner Impact43.4 J32 ft-lb Modified Gardner, 73F; ASTM D 3029
Izod Impact, Notched5.34 J/cm10 ft-lb/in 73F; ASTM D 256

Electrical Properties
Volume ResistivityMin 1.2e+016 ohm-cmMin 1.2e+016 ohm-cm ASTM D 257
Dielectric Constant3.23.2 100 Hz; ASTM D 150
Dielectric Constant3.23.2 1 MHz; ASTM D 150
Dielectric Strength18.5 kV/mm470 V/mil in air, 125 mils; ASTM D 149
Dielectric Strength18.5 kV/mm470 V/mil in oil, 125 mils; ASTM D 149
Dielectric Strength25.2 kV/mm640 V/mil in oil, 62 mils; ASTM D 149
Dissipation Factor0.0030.003 100 Hz; ASTM D 150
Dissipation Factor0.030.03 1 MHz; ASTM D 150
Arc Resistance60 - 120 sec60 - 120 sec Tungsten (+/- 0.125 inch); PLC Code 6; ASTM D 495
Comparative Tracking Index250 - 400 V250 - 400 V (+/- 0.125 inch); PLC Code 2; UL 746A
Hot Wire Ignition, HWI30 - 60 sec30 - 60 sec (+/- 0.125 inch); PLC Code 2; UL 746A
High Amp Arc Ignition, HAI15 - 30 arcs15 - 30 arcs Surface (+/- 0.125 inch); PLC Code 3; UL 746A
High Voltage Arc-Tracking Rate, HVTR80 - 150 mm/min3.15 - 5.91 in/min (+/- 0.125 inch); PLC Code 3; UL 746A

Thermal Properties
CTE, linear 68°F91.8 µm/m-°C51 µin/in-°F Flow, -40F to 100F; ASTM E 831
CTE, linear, 212°F (100°C)124 µm/m-°C69 µin/in-°F Flow, 140F to 280F; ASTM E 831
Deflection Temperature at 0.46 MPa (66 psi)138 °C280 °F 0.250 inch, unannealed; ASTM D 648
Deflection Temperature at 1.8 MPa (264 psi)98.9 °C210 °F 0.250 inch, unannealed; ASTM D 648
UL RTI, Electrical120 °C248 °F UL 746B
UL RTI, Mechanical with Impact120 °C248 °F UL 746B
UL RTI, Mechanical without Impact140 °C284 °F UL 746B
Flammability, UL94HBHB 0.018 in.
Flammability, UL94V-0V-0 0.025 in.
Flammability, UL9477 0.118 in.
Oxygen Index30 %30 % ASTM D 2863

Descriptive Properties
CSA File No.LS88480 
UL File Number, USAE121562 
UV-light, water exposure/immersionF2 UL746C

 


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