VALOX™ 牌号 VX4920 种类 PBT
产品说明 VALOX VX4920 is a 20% glass reinforced nucleated PBT/ASA blend with excellent mechanical properties, high dimensional stability and low density. Applications: connectors and automotive industry.

SABIC VALOX™ PBT VX4920 物性表

属性典型值UNITS测试手段
MECHANICAL
Tensile Stress, yld, Type I, 5 mm/min105MPaASTM D638
Tensile Stress, brk, Type I, 5 mm/min105MPaASTM D638
Tensile Strain, yld, Type I, 5 mm/min3%ASTM D638
Tensile Strain, brk, Type I, 5 mm/min3%ASTM D638
Tensile Modulus, 5 mm/min7200MPaASTM D638
Flexural Stress, yld, 1.3 mm/min, 50 mm span160MPaASTM D790
Flexural Stress, brk, 1.3 mm/min, 50 mm span160MPaASTM D790
Flexural Modulus, 1.3 mm/min, 50 mm span5500MPaASTM D790
Taber Abrasion, CS-17, 1 kg80mg/1000cySABIC method
Tensile Stress, yield, 5 mm/min105MPaISO 527
Tensile Stress, break, 5 mm/min105MPaISO 527
Tensile Strain, yield, 5 mm/min3%ISO 527
Tensile Strain, break, 5 mm/min3%ISO 527
Tensile Modulus, 1 mm/min7200MPaISO 527
Flexural Stress, yield, 2 mm/min155MPaISO 178
Flexural Stress, break, 2 mm/min155MPaISO 178
Flexural Strain, break, 2 mm/min4%ISO 178
Flexural Modulus, 2 mm/min5700MPaISO 178
Ball Indentation Hardness, H358/30130MPaISO 2039-1
Hardness, Rockwell R118-ISO 2039-2
IMPACT
Charpy Impact, unnotched, 23°C55kJ/m²ISO 179/2C
Charpy Impact, unnotched, -30°C40kJ/m²ISO 179/2C
Izod Impact, unnotched, 23°C680J/mASTM D4812
Izod Impact, unnotched, -30°C605J/mASTM D4812
Izod Impact, notched, 23°C80J/mASTM D256
Izod Impact, notched, 0°C75J/mASTM D256
Izod Impact, notched, -30°C70J/mASTM D256
Instrumented Dart Impact Total Energy, 23°C50JASTM D3763
Izod Impact, unnotched 80*10*4 +23°C45kJ/m²ISO 180/1U
Izod Impact, unnotched 80*10*4 -30°C40kJ/m²ISO 180/1U
Izod Impact, notched 80*10*4 +23°C7kJ/m²ISO 180/1A
Izod Impact, notched 80*10*4 0°C7kJ/m²ISO 180/1A
Izod Impact, notched 80*10*4 -30°C7kJ/m²ISO 180/1A
Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm6kJ/m²ISO 179/1eA
Charpy Impact, notched, 23°C10kJ/m²ISO 179/2C
Charpy -30°C, V-notch Edgew 80*10*4 sp=62mm5kJ/m²ISO 179/1eA
Charpy Impact, notched, -30°C8kJ/m²ISO 179/2C
Charpy 23°C, Unnotch Edgew 80*10*4 sp=62mm45kJ/m²ISO 179/1eU
Charpy -30°C, Unnotch Edgew 80*10*4 sp=62mm40kJ/m²ISO 179/1eU
THERMAL
Vicat Softening Temp, Rate A/50220°CASTM D1525
Vicat Softening Temp, Rate B/50170°CASTM D1525
HDT, 0.45 MPa, 3.2 mm, unannealed210°CASTM D648
HDT, 1.82 MPa, 3.2mm, unannealed170°CASTM D648
CTE, -40°C to 40°C, flow3.E-051/°CASTM E831
CTE, -40°C to 40°C, xflow1.05E-041/°CASTM E831
Thermal Conductivity0.25W/m-°CISO 8302
CTE, -40°C to 40°C, flow2.86E-051/°CISO 11359-2
CTE, -40°C to 40°C, xflow7.67E-051/°CISO 11359-2
CTE, 23°C to 60°C, flow3.E-051/°CISO 11359-2
CTE, 23°C to 60°C, xflow1.05E-041/°CISO 11359-2
CTE, 23°C to 150°C, flow2.38E-051/°CISO 11359-2
CTE, 23°C to 150°C, xflow1.57E-041/°CISO 11359-2
Ball Pressure Test, 125°C +/- 2°CPASSES-IEC 60695-10-2
Vicat Softening Temp, Rate A/50220°CISO 306
Vicat Softening Temp, Rate B/50170°CISO 306
Vicat Softening Temp, Rate B/120165°CISO 306
HDT/Be, 0.45MPa Edgew 120*10*4 sp=100mm209°CISO 75/Be
HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm179°CISO 75/Ae
HDT/Bf, 0.45 MPa Flatw 80*10*4 sp=64mm210°CISO 75/Bf
HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm170°CISO 75/Af
PHYSICAL
Specific Gravity1.38-ASTM D792
Filler Content20%ASTM D229
Mold Shrinkage on Tensile Bar, flow0.2-0.4%SABIC method
Mold Shrinkage, flow, 3.2 mm0.3-0.6%SABIC method
Mold Shrinkage on Tensile Bar, xflow0.4-0.8%SABIC method
Melt Flow Rate, 200°C/3.8 kgf17g/10 minASTM D1238
Melt Flow Rate, 265°C/5.0 kgf35g/10 minASTM D1238
Density1.38g/cm³ISO 1183
Water Absorption, (23°C/saturated)0.76%ISO 62-1
Moisture Absorption (23°C / 50% RH)0.27%ISO 62
Melt Volume Rate, MVR at 250°C/5.0 kg17cm³/10 minISO 1133
Melt Volume Rate, MVR at 265°C/5.0 kg30cm³/10 minISO 1133
Melt Viscosity, 260°C, 1500 sec-1175Pa-sISO 11443
ELECTRICAL
Volume Resistivity>1.E+15Ω.cmASTM D257
Dielectric Strength, in oil, 1.6 mm28kV/mmASTM D149
Dielectric Strength, in oil, 3.2 mm24kV/mmASTM D149
Relative Permittivity, 1 MHz3.4-ASTM D150
Dissipation Factor, 1 MHz0.02-ASTM D150
Comparative Tracking Index (UL) {PLC}1PLC CodeUL 746A
Volume Resistivity>1.E+15Ω.cmIEC 60093
Surface Resistivity, ROA>1.E+15ΩIEC 60093
Dielectric Strength, in oil, 1.6 mm28kV/mmIEC 60243-1
Dielectric Strength, in oil, 3.2 mm24kV/mmIEC 60243-1
Relative Permittivity, 1 MHz3.4-IEC 60250
Dissipation Factor, 50/60 Hz0.0024-IEC 60250
Dissipation Factor, 1 MHz0.02-IEC 60250
Relative Permittivity, 50/60 Hz3.4-IEC 60250
FLAME CHARACTERISTICS
UL Yellow Card LinkE45329-524769--
UL Compliant, 94HB Flame Class Rating1.6mmUL 94 by SABIC-IP
Glow Wire Flammability Index 750°C, passes at1mmIEC 60695-2-12
Injection Molding
Drying Temperature110-120°C
Drying Time2-4Hrs
Maximum Moisture Content0.02%
Melt Temperature250-270°C
Nozzle Temperature240-260°C
Front - Zone 3 Temperature245-265°C
Middle - Zone 2 Temperature240-255°C
Rear - Zone 1 Temperature230-245°C
Hopper Temperature40-60°C
Mold Temperature40-100°C
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