SABIC Innovative Plastics VALOX 357U 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 | 1.34 g/cc | 0.0484 lb/in³ | ASTM D 792 |
| Water Absorption | 0.08 % | 0.08 % | 24 hours @ 73F; ASTM D 570 |
| Linear Mold Shrinkage | 0.008 - 0.011 cm/cm | 0.008 - 0.011 in/in | Flow, 30-90 mil; ASTM D 955 |
| Linear Mold Shrinkage | 0.01 - 0.014 cm/cm | 0.01 - 0.014 in/in | Flow, 90-180 mil; ASTM D 955 |
| Linear Mold Shrinkage, Transverse | 0.009 - 0.013 cm/cm | 0.009 - 0.013 in/in | 30-90 mil; ASTM D 955 |
| Linear Mold Shrinkage, Transverse | 0.012 - 0.016 cm/cm | 0.012 - 0.016 in/in | 90-180 mil; ASTM D 955 |
Mechanical Properties |
|
| Hardness, Rockwell R | 117 | 117 | ASTM D 785 |
| Tensile Strength @ Break | 48.3 MPa | 7000 psi | Type I, 2.0 in/min; ASTM D 638 |
| Tensile Strength @ Yield | 48.3 MPa | 7000 psi | Type I, 2.0 in/min; ASTM D 638 |
| Elongation at Break | 110 % | 110 % | Type I, 2.0 in/min; ASTM D 638 |
| Flexural Modulus | 2.07 GPa | 300 ksi | 0.05 in/min, 2" span; ASTM D 790 |
| Flexural Strength | 82.7 MPa | 12000 psi | 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 | 32 J/cm | 60 ft-lb/in | 73F; ASTM D 4812 |
| Gardner Impact | 43.4 J | 32 ft-lb | 73F; ASTM D 3029 |
| Gardner Impact | 43.4 J | 32 ft-lb | Modified Gardner, 73F; ASTM D 3029 |
| Izod Impact, Notched | 5.34 J/cm | 10 ft-lb/in | 73F; ASTM D 256 |
Electrical Properties |
|
| Volume Resistivity | Min 1.2e+016 ohm-cm | Min 1.2e+016 ohm-cm | ASTM D 257 |
| Dielectric Constant | 3.2 | 3.2 | 100 Hz; ASTM D 150 |
| Dielectric Constant | 3.2 | 3.2 | 1 MHz; ASTM D 150 |
| Dielectric Strength | 18.5 kV/mm | 470 V/mil | in air, 125 mils; ASTM D 149 |
| Dielectric Strength | 18.5 kV/mm | 470 V/mil | in oil, 125 mils; ASTM D 149 |
| Dielectric Strength | 25.2 kV/mm | 640 V/mil | in oil, 62 mils; ASTM D 149 |
| Dissipation Factor | 0.003 | 0.003 | 100 Hz; ASTM D 150 |
| Dissipation Factor | 0.03 | 0.03 | 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 | 250 - 400 V | 250 - 400 V | (+/- 0.125 inch); PLC Code 2; UL 746A |
| Hot Wire Ignition, HWI | 30 - 60 sec | 30 - 60 sec | (+/- 0.125 inch); PLC Code 2; 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 | 80 - 150 mm/min | 3.15 - 5.91 in/min | (+/- 0.125 inch); PLC Code 3; UL 746A |
Thermal Properties |
|
| CTE, linear 68°F | 91.8 µm/m-°C | 51 µin/in-°F | Flow, -40F to 100F; ASTM E 831 |
| CTE, linear, 212°F (100°C) | 124 µm/m-°C | 69 µin/in-°F | Flow, 140F to 280F; ASTM E 831 |
| Deflection Temperature at 0.46 MPa (66 psi) | 138 °C | 280 °F | 0.250 inch, unannealed; ASTM D 648 |
| Deflection Temperature at 1.8 MPa (264 psi) | 98.9 °C | 210 °F | 0.250 inch, unannealed; ASTM D 648 |
| UL RTI, Electrical | 120 °C | 248 °F | UL 746B |
| UL RTI, Mechanical with Impact | 120 °C | 248 °F | UL 746B |
| UL RTI, Mechanical without Impact | 140 °C | 284 °F | UL 746B |
| Flammability, UL94 | HB | HB | 0.018 in. |
| Flammability, UL94 | V-0 | V-0 | 0.025 in. |
| Flammability, UL94 | 7 | 7 | 0.118 in. |
| Oxygen Index | 30 % | 30 % | ASTM D 2863 |
Descriptive Properties | |
| CSA File No. | LS88480 | |
| UL File Number, USA | E121562 | |
| UV-light, water exposure/immersion | F2 | UL746C |
|
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