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SABIC Innovative Plastics VALOX VX4920 PBT (Europe)

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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 European product line.

Physical PropertiesMetricEnglishComments
Density1.38 g/cc0.0499 lb/in³ ISO 1183
Moisture Absorption at Equilibrium0.27 %0.27 % (23 C / 50% RH) 1L; ISO 15512
Water Absorption at Saturation0.76 %0.76 % 23C; ISO 62
Linear Mold Shrinkage0.002 - 0.004 cm/cm0.002 - 0.004 in/in Flow; ASTM D 955
Linear Mold Shrinkage, Transverse0.004 - 0.008 cm/cm0.004 - 0.008 in/in ASTM D 955
Melt Flow17 g/10 min17 g/10 min cm3/10min; Melt Volume Rate, MVR at 250C/5.0 kg; ISO 1133

Mechanical Properties
Hardness, Rockwell R118118 ISO 2039/2
Hardness, H358/30130 MPa18900 psi ISO 2039/1
Tensile Strength, Ultimate105 MPa15200 psi 5 mm/min; ISO 527
Elongation at Break3 %3 % 5 mm/min; ISO 527
Tensile Modulus6.5 GPa943 ksi 1 mm/min; ISO 527
Flexural Modulus6 GPa870 ksi 2 mm/min; ISO 178
Flexural Strength155 MPa22500 psi 2 mm/min; ISO 178
Izod Impact, Notched (ISO)6 kJ/m²2.86 ft-lb/in² 80*10*4 +23 C; ISO 180/ 1A
Izod Impact, Unnotched (ISO)48 kJ/m²22.8 ft-lb/in² 80*10*4 +23 C; ISO 180/ 1U
Izod Impact, Unnotched Low Temp (ISO)40 kJ/m²19 ft-lb/in² 80*10*4 -30 C; ISO 180/ 1U
Izod Impact, Notched, Low Temp (ISO)5 kJ/m²2.38 ft-lb/in² 80*10*4 -30 C; ISO 180/ 1A
Charpy Impact Unnotched4.5 J/cm²21.4 ft-lb/in² 23C, Unnotch Edgew 80*10*4 sp=62; ISO 179/1eU
Charpy Impact, Notched, Low Temp0.5 J/cm²2.38 ft-lb/in² at -30C, V-notch Edgew 80*10*4 sp=62; ISO 179/1eA
Charpy Impact, Unnotched Low Temp4 J/cm²19 ft-lb/in² at -30C, Unnotch Edgew 80*10*4 sp=62; ISO 179/1eU
Charpy Impact, Notched0.6 J/cm²2.86 ft-lb/in² 23C, V-notch Edgew 80*10*4 sp=62; ISO 179/1eA
Taber Abrasion, mg/1000 Cycles8080 CS-17, 1 kg; GE Test

Electrical Properties
Volume ResistivityMin 1e+015 ohm-cmMin 1e+015 ohm-cm IEC 60093
Surface Resistivity per SquareMin 1e+015 ohmMin 1e+015 ohm ROA; IEC 60093
Dielectric Constant3.153.15 1 MHz; IEC 60250
Dielectric Constant3.353.35 50 Hz; IEC 60250
Dielectric Strength21 kV/mm533 kV/in in oil, 3.2 mm; IEC 60243-1
Dissipation Factor0.00240.0024 50 Hz; IEC 60250
Dissipation Factor0.01950.0195 1 MHz; IEC 60250
Comparative Tracking Index450 V450 V IEC 60112/3rd

Thermal Properties
CTE, linear 20°C30 µm/m-°C16.7 µin/in-°F 23C-60C, flow; ISO 11359-2
CTE, linear 20°C Transverse to Flow105 µm/m-°C58.3 µin/in-°F 23C-60C; ISO 11359-2
Thermal Conductivity0.25 W/m-K1.74 BTU-in/hr-ft²-°F ISO 8302
Deflection Temperature at 0.46 MPa (66 psi)209 °C408 °F HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm; ISO 75/Be
Deflection Temperature at 1.8 MPa (264 psi)179 °C354 °F HDT/Ae, 1.82 MPa Edgew 120*10*4 sp=100mm; ISO 75/Ae
Vicat Softening Point158 °C316 °F B/50; ISO 306
Vicat Softening Point167 °C333 °F B/120; ISO 306
Flammability, UL94HBHB 1.6 mm
Flammability, UL94HBHB 1.6 mm; UL 94 by GE
Glow Wire Test750 °C1380 °F Passes at 1 mm; IEC 60695-2-1

Descriptive Properties
Ball Pressure Test, 125 C +/- 2 CPASS IEC 60035-1
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