SABIC Innovative Plastics VALOX VX4920 PBT (Europe)
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 European product line.
| Physical Properties | Metric | English | Comments |
|
| Density | 1.38 g/cc | 0.0499 lb/in³ | ISO 1183 |
| Moisture Absorption at Equilibrium | 0.27 % | 0.27 % | (23 C / 50% RH) 1L; ISO 15512 |
| Water Absorption at Saturation | 0.76 % | 0.76 % | 23C; ISO 62 |
| Linear Mold Shrinkage | 0.002 - 0.004 cm/cm | 0.002 - 0.004 in/in | Flow; ASTM D 955 |
| Linear Mold Shrinkage, Transverse | 0.004 - 0.008 cm/cm | 0.004 - 0.008 in/in | ASTM D 955 |
| Melt Flow | 17 g/10 min | 17 g/10 min | cm3/10min; Melt Volume Rate, MVR at 250C/5.0 kg; ISO 1133 |
Mechanical Properties |
|
| Hardness, Rockwell R | 118 | 118 | ISO 2039/2 |
| Hardness, H358/30 | 130 MPa | 18900 psi | ISO 2039/1 |
| Tensile Strength, Ultimate | 105 MPa | 15200 psi | 5 mm/min; ISO 527 |
| Elongation at Break | 3 % | 3 % | 5 mm/min; ISO 527 |
| Tensile Modulus | 6.5 GPa | 943 ksi | 1 mm/min; ISO 527 |
| Flexural Modulus | 6 GPa | 870 ksi | 2 mm/min; ISO 178 |
| Flexural Strength | 155 MPa | 22500 psi | 2 mm/min; ISO 178 |
| Izod Impact, Notched (ISO) | 6 kJ/m² | 2.86 ft-lb/in² | 80*10*4 +23 C; ISO 180/ 1A |
| Izod Impact, Unnotched (ISO) | 48 kJ/m² | 22.8 ft-lb/in² | 80*10*4 +23 C; ISO 180/ 1U |
| Izod Impact, Unnotched Low Temp (ISO) | 40 kJ/m² | 19 ft-lb/in² | 80*10*4 -30 C; ISO 180/ 1U |
| Izod Impact, Notched, Low Temp (ISO) | 5 kJ/m² | 2.38 ft-lb/in² | 80*10*4 -30 C; ISO 180/ 1A |
| Charpy Impact Unnotched | 4.5 J/cm² | 21.4 ft-lb/in² | 23C, Unnotch Edgew 80*10*4 sp=62; ISO 179/1eU |
| Charpy Impact, Notched, Low Temp | 0.5 J/cm² | 2.38 ft-lb/in² | at -30C, V-notch Edgew 80*10*4 sp=62; ISO 179/1eA |
| Charpy Impact, Unnotched Low Temp | 4 J/cm² | 19 ft-lb/in² | at -30C, Unnotch Edgew 80*10*4 sp=62; ISO 179/1eU |
| Charpy Impact, Notched | 0.6 J/cm² | 2.86 ft-lb/in² | 23C, V-notch Edgew 80*10*4 sp=62; ISO 179/1eA |
| Taber Abrasion, mg/1000 Cycles | 80 | 80 | CS-17, 1 kg; GE Test |
Electrical Properties |
|
| Volume Resistivity | Min 1e+015 ohm-cm | Min 1e+015 ohm-cm | IEC 60093 |
| Surface Resistivity per Square | Min 1e+015 ohm | Min 1e+015 ohm | ROA; IEC 60093 |
| Dielectric Constant | 3.15 | 3.15 | 1 MHz; IEC 60250 |
| Dielectric Constant | 3.35 | 3.35 | 50 Hz; IEC 60250 |
| Dielectric Strength | 21 kV/mm | 533 kV/in | in oil, 3.2 mm; IEC 60243-1 |
| Dissipation Factor | 0.0024 | 0.0024 | 50 Hz; IEC 60250 |
| Dissipation Factor | 0.0195 | 0.0195 | 1 MHz; IEC 60250 |
| Comparative Tracking Index | 450 V | 450 V | IEC 60112/3rd |
Thermal Properties |
|
| CTE, linear 20°C | 30 µm/m-°C | 16.7 µin/in-°F | 23C-60C, flow; ISO 11359-2 |
| CTE, linear 20°C Transverse to Flow | 105 µm/m-°C | 58.3 µin/in-°F | 23C-60C; ISO 11359-2 |
| Thermal Conductivity | 0.25 W/m-K | 1.74 BTU-in/hr-ft²-°F | ISO 8302 |
| Deflection Temperature at 0.46 MPa (66 psi) | 209 °C | 408 °F | HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm; ISO 75/Be |
| Deflection Temperature at 1.8 MPa (264 psi) | 179 °C | 354 °F | HDT/Ae, 1.82 MPa Edgew 120*10*4 sp=100mm; ISO 75/Ae |
| Vicat Softening Point | 158 °C | 316 °F | B/50; ISO 306 |
| Vicat Softening Point | 167 °C | 333 °F | B/120; ISO 306 |
| Flammability, UL94 | HB | HB | 1.6 mm |
| Flammability, UL94 | HB | HB | 1.6 mm; UL 94 by GE |
| Glow Wire Test | 750 °C | 1380 °F | Passes at 1 mm; IEC 60695-2-1 |
Descriptive Properties | |
| Ball Pressure Test, 125 C +/- 2 C | PASS | IEC 60035-1 |
|
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