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Sabic Valox PC+PBT
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Product information
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Manufacturer
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Saudi Basic Industry Corporation
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Part Marking Code
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>PC/PBT material<
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Material Shape
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PC+PBT Pellets
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Process
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Injection molding
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Features
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·Heat resistant ·Flame retardant ·Good insulated
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Application
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·Electrical switches ·Electrical equipment enclosures
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Physical property
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Standard
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Value
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Unit
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Specific gravity
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ASTM D792
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1.34
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g/cm³
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Specific volume
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ASTM D792
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0.75
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cm³/g
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Water absorption, 23℃ 24hrs
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ASTM D570
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0.08
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%
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Moisture absorption, 23℃ 50% RH 24hrs
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ASTM D570
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0.08
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%
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Mold shrinkage flow, 3.2mm
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Internal method
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1-1.4
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%
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Mold shrinkage flow, 0.75-2.3mm
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Internal method
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0.8-1.1
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%
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Mold shrinkage flow, 2.3-4.6mm
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Internal method
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1-1.4
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%
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Mold shrinkage xflow, 0.75-2.3mm
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Internal method
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0.9-1.3
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%
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Mold shrinkage xflow, 2.3-4.6mm
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Internal method
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1.2=1.6
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%
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Melt flow rate, 250 ℃ 5kg
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ASTM D1238
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9.6
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g/10min
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Density
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ISO 1183
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1.34
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g/cm³
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Water absorption, 23℃ saturated
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ISO 62-1
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0.5
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%
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Moisture absorption. 23℃ 50% RH
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ISO 62
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0.15
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% |
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Melt volume rate,MVR at 250℃/5.0 kg
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ISO 62
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8
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g/10min
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Mechanical behavior
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Standard
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Value
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Unit
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Tensile stress yield, Type Ⅰ, 50mm/min
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ASTM D638
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48
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MPa
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Tensile stress break, Type Ⅰ, 50mm/min
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ASTM D638
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45
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MPa
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Tensile strain yield, Type Ⅰ, 50mm/min
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ASTM D638
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5
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%
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Tensile strain break, Type Ⅰ, 50mm/min
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ASTM D638
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110
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%
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Tensile modulus, 5mm/min
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ASTM D638
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2020
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MPa
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Flexural stress, yield, 1.3mm/min 50 mm span
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ASTM D790
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83
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MPa
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Flexural stress, break, 1.3mm/min 50 mm span
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ASTM D790
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83
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MPa
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Flexural modulus, 1.3mm/min 50 mm span
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ASTM D790
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2060
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MPa
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Hardness Rockwell (R)
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ASTM D785
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117
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Impact
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Standard
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Value
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Unit
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Izod impact, unnotched, 23℃
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ASTM D4812
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NB
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J/m |
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Izod impact, notched, 23℃
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ASTM D256
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534
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J/m |
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Izod impact, notched, -30℃
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ASTM D256
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153
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J/m |
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Gardner 23℃
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ASTM D3029
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43
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J |
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Modified gardner 23℃
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ASTM D3029
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43
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J |
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Instrumented dart impact total energy, 23℃
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ASTM D3763
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35
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J |
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Izod impact, notched 80*10*4 +23℃
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ISO 180/1A
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45
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kJ/㎡
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Izod impact, notched 80*10*4 -30℃
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ISO 180/1A
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10
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kJ/㎡
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Izod impact, unnotched 80*10*4 +23℃
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ISO 180/1A
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NB
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kJ/㎡
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Izod impact, unnotched 80*10*4 -30℃
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ISO 180/1A
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NB
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kJ/㎡
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Thermal
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Standard
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Value
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Unit
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Vicat softening temperature rate B/50
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ASTM E831
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134
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℃
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Vicat softening temperature rate B/50
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ISO 306
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145
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℃
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Vicat softening temperature rate B/120
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ISO 306 |
150
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℃
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Heat deflection temperature (HDT) 0.45MPa 6.4mm unannealed
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ASTM D648
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138
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℃
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Heat deflection temperature (HDT) 1.82MPa 6.4mm unannealed
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ASTM D648
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99
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℃
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| Relative temperature index, Elec |
UL746B |
120
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℃
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| Relative temperature index, Mech w/impact |
UL746B |
120
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℃
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| Relative temperature index, Mech w/o impact |
UL746B |
120
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℃
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Electrical
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Standard
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Value
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Unit
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| Volume resistivity |
ASTM D257
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＞1.2E+16
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Ω.cm
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| Dielectric strength, in air, 3.2mm |
ASTM D149
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18.5
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kV/mm
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| Dielectric strength, in oil, 1.6mm |
ASTM D149
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25.2
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kV/mm
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| Dielectric strength, in air, 3.2mm |
ASTM D149
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18.5
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kV/mm
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| Relative permittivity, 100 Hz |
ASTM D150
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3.2
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| Relative permittivity, 1 MHz |
ASTM D150
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3.2
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| Dissipation factor, 100 Hz |
ASTM D150
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0.003
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| Dissipation facctor, 1 MHz |
ASTM D150
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0.03
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| Arc resistance, tungsten (PLC) |
ASTM D495
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6
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| Hot wire ignition (PLC) |
UL 746A
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2
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| High voltage arc track rate (PLC) |
UL 746A
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3
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| High ampere arc ign, surface (PLC) |
UL 746A
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2
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| Comparative tracking index (UL) (PLC) |
UL 746A
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2
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| Flame characteristics |
Standard
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Value
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Unit
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| UL recognized, 0.46mm |
UL94
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HB
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| UL recognized, 063mm |
UL94
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V-0
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| UL recognized, 3.0mm |
UL94
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5va
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| Oxygen index (LOI) |
ASTM D2863
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30
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%
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| UV- light, water exposure, immersion |
UL 746C
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F2
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| Injection molding |
Standard
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Value
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Unit
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| Drying temperature |
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120
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℃
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| Drying time |
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3-4
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hrs
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| Maximum moisture content |
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0.02
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%
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| Melt temperature |
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250-265
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℃
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| Nozzle temperature |
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245-260
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℃
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| Front – Zone 3 temperate |
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250-265
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℃
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| Middle – Zone 2 temperature |
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245-260
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℃
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| Rear – Zone 1 temperature |
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240-255
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℃
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| Mold temperature |
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50-75
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℃
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| Back pressure |
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0.3=0.7
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MPa
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| Screw speed |
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50-100
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rpm
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| Mold temperature |
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50-75
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℃
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| Short to cylinder size |
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40-80
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%
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| Vent depth |
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0.025-0.038
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℃
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