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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 | Original Value | Comments | ||
| ||||
| Density | 1.38 g/cc | ISO 1183 | ||
| Moisture Absorption at Equilibrium | 0.27 % | (23 C / 50% RH) 1L; ISO 15512 | ||
| Water Absorption at Saturation | 0.76 % | 23C; ISO 62 | ||
| Linear Mold Shrinkage | 0.002 - 0.004 cm/cm | Flow; ASTM D 955 | ||
| Linear Mold Shrinkage, Transverse | 0.004 - 0.008 cm/cm | ASTM D 955 | ||
| Melt Flow | 17 g/10 min | cm3/10min; Melt Volume Rate, MVR at 250C/5.0 kg; ISO 1133 | ||
Mechanical Properties | ||||
| ||||
| Hardness, Rockwell R | 118 | ISO 2039/2 | ||
| Hardness, H358/30 | 130 MPa | ISO 2039/1 | ||
| Tensile Strength, Ultimate | 105 MPa | 5 mm/min; ISO 527 | ||
| Elongation at Break | 3 % | 5 mm/min; ISO 527 | ||
| Tensile Modulus | 6.5 GPa | 1 mm/min; ISO 527 | ||
| Flexural Modulus | 6 GPa | 2 mm/min; ISO 178 | ||
| Flexural Strength | 155 MPa | 2 mm/min; ISO 178 | ||
| Izod Impact, Notched (ISO) | 6 kJ/m² | 80*10*4 +23 C; ISO 180/ 1A | ||
| Izod Impact, Unnotched (ISO) | 48 kJ/m² | 80*10*4 +23 C; ISO 180/ 1U | ||
| Izod Impact, Unnotched Low Temp (ISO) | 40 kJ/m² | 80*10*4 -30 C; ISO 180/ 1U | ||
| Izod Impact, Notched, Low Temp (ISO) | 5 kJ/m² | 80*10*4 -30 C; ISO 180/ 1A | ||
| Charpy Impact Unnotched | 4.5 J/cm² | 23C, Unnotch Edgew 80*10*4 sp=62; ISO 179/1eU | ||
| Charpy Impact, Notched, Low Temp | 0.5 J/cm² | at -30C, V-notch Edgew 80*10*4 sp=62; ISO 179/1eA | ||
| Charpy Impact, Unnotched Low Temp | 4 J/cm² | at -30C, Unnotch Edgew 80*10*4 sp=62; ISO 179/1eU | ||
| Charpy Impact, Notched | 0.6 J/cm² | 23C, V-notch Edgew 80*10*4 sp=62; ISO 179/1eA | ||
| Taber Abrasion, mg/1000 Cycles | 80 | CS-17, 1 kg; GE Test | ||
Electrical Properties | ||||
| ||||
| Volume Resistivity | Min 1e+015 ohm-cm | IEC 60093 | ||
| Surface Resistivity per Square | Min 1e+015 ohm | ROA; IEC 60093 | ||
| Dielectric Constant | 3.15 | 1 MHz; IEC 60250 | ||
| Dielectric Constant | 3.35 | 50 Hz; IEC 60250 | ||
| Dielectric Strength | 21 kV/mm | in oil, 3.2 mm; IEC 60243-1 | ||
| Dissipation Factor | 0.0024 | 50 Hz; IEC 60250 | ||
| Dissipation Factor | 0.0195 | 1 MHz; IEC 60250 | ||
| Comparative Tracking Index | 450 V | IEC 60112/3rd | ||
Thermal Properties | ||||
| ||||
| CTE, linear 20°C | 30 µm/m-°C | 23C-60C, flow; ISO 11359-2 | ||
| CTE, linear 20°C Transverse to Flow | 105 µm/m-°C | 23C-60C; ISO 11359-2 | ||
| Thermal Conductivity | 0.25 W/m-K | ISO 8302 | ||
| Deflection Temperature at 0.46 MPa (66 psi) | 209 °C | HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm; ISO 75/Be | ||
| Deflection Temperature at 1.8 MPa (264 psi) | 179 °C | HDT/Ae, 1.82 MPa Edgew 120*10*4 sp=100mm; ISO 75/Ae | ||
| Vicat Softening Point | 158 °C | B/50; ISO 306 | ||
| Vicat Softening Point | 167 °C | B/120; ISO 306 | ||
| Flammability, UL94 | HB | 1.6 mm | ||
| Flammability, UL94 | HB | 1.6 mm; UL 94 by GE | ||
| Glow Wire Test | 750 °C | 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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