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Makroblend® KU2-7609

(PC+PBT)-blend, impact modified, Injection molding grade, 20% mineral filled, applications: automotive exterior body panels

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About

Product Types

  • PC+PBT

Material

Plastics
Impact resistant

General Characterization

No data available

Storage Conditions

No data available

Sampling

No data available

Packaging Type

No data available

Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 250 - 260
Barrel Temperatures - Middle - °C 240 - 250
Barrel Temperatures - Nozzle - °C 260 - 270
Barrel Temperatures - Rear - °C 230 - 240
Dry Air Drying Temperature - °C 105 - 105
Dry Air Drying Time - h 2 - 4
Hold Pressure (% of injection pressure) - % 50 - 75
Melt Temperatures - °C 250 - 270
Moisture Content max. (%) - % <= 0,02
Mold Temperatures - °C 60 - 80
Peripheral Screw Speed - m/s 0.1 - 0.2
Plastic Back Pressure (specific) - bar 50 - 100
Shot-to-Cylinder Size - % 30 - 70
Standard Melt Temperature - °C 260
Vent Depth - mm 0.025 - 0.075
Property Name Standard Test condition Unit Value
Burning behavior UL 94 UL 94 0.8 mm Class HB
Burning behavior UL 94 (1.5 mm) UL 94 1.6 mm Class HB
Burning rate (US-FMVSS) ISO 3795 >=1.0 mm mm/min passed
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.7
Coefficient of linear thermal expansion, transverse ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.7
Glow wire test (GWFI) IEC 60695-2-12 2.0 mm °C 800
Melting temperature ISO 11357-1,-3 10 °C/min °C 221
Oxygen index ISO 4589-2 Method A % 21
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 106
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 93
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 119
Property Name Standard Test condition Unit Value
Ball indentation hardness ISO 2039-1 N/mm² 90
Charpy impact strength ISO 179-1eU -30 °C kJ/m² 115
Charpy impact strength ISO 179-1eU 23 °C kJ/m² 155
Charpy notched impact strength ISO 179-1eA 23 °C kJ/m² 10
Flexural modulus ISO 178 2 mm/min MPa 3400 - 3400
Flexural strain at flexural strength ISO 178 2 mm/min % 5 - 5
Flexural strength ISO 178 2 mm/min MPa 75
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 73 - 73
Izod impact strength ISO 180-1C -30 °C kJ/m² 80
Izod impact strength ISO 180-1C 23 °C kJ/m² 120
Izod notched impact strength ISO 180-A 23 °C kJ/m² 20
Stress at break ISO 527-1,-2 5 mm/min MPa 50 - 50
Tensile modulus ISO 527-1,-2 1 mm/min MPa 3600 - 3600
Yield strain ISO 527-1,-2 5 mm/min % 3
Yield stress ISO 527-1,-2 5 mm/min MPa 50
Property Name Standard Test condition Unit Value
Melt volume-flow rate ISO 1133 260 °C; 5 kg cm³/10 min 11
Molding shrinkage, parallel/normal b.o. ISO 2577 Value range based on general practical experience (600bar) % 0.4 - 0.6
Post- shrinkage, parallel/normal b.o. ISO 2577 Value range based on general practical experience (1h; 90°C) % 0.1 - 0.2
Property Name Standard Test condition Unit Value
Comparative tracking index CTI IEC 60112 Solution A Rating 250
Comparative tracking index CTI M IEC 60112 Solution B Rating 125
Dissipation factor IEC 60250 1 MHz 10^-4^ 95
Dissipation factor IEC 60250 100 Hz 10^-4^ 26
Electrical strength IEC 60243-1 1 mm kV/mm 34
Electrolytic corrosion IEC 60426 Rating A1
Relative permittivity IEC 60250 1 MHz 3.1
Relative permittivity IEC 60250 100 Hz 3.2
Surface resistivity IEC 60093 Ohm >1E17
Volume resistivity IEC 60093 Ohm*m >1E15
Property Name Standard Test condition Unit Value
Injection molding-Injection velocity ISO 294 mm/s 200
Injection molding-Melt temperature ISO 294 °C 270 - 270
Injection molding-Mold temperature ISO 294 °C 70 - 70
Property Name Standard Test condition Unit Value
Bulk density ISO 60 g/cm³ 0.7
Density ISO 1183-1 kg/m³ 1300 - 1300
Filler content b.o. ISO 3451-1 Method A % 20
Water absorption (equilibrium value) ISO 62 23 °C; 50 % r. h. % 0.2
Water absorption (saturation value) ISO 62 Water at 23 °C % 0.8

Downloads

Technical Data Sheet
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Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com
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Viskosität Schergeschwindigkeit Makroblend® KU2-7609 (Multipoint Data Sheet)
Sekantenmodul-Dehnung Makroblend® KU2-7609 (Multipoint Data Sheet)
Secant modulus - Strain Makroblend® KU2-7609 (Multipoint Data Sheet)
Spannung-Dehnung Makroblend® KU2-7609 (Multipoint Data Sheet)
Specific Volume-Temperature (pvT) Makroblend® KU2-7609 (Multipoint Data Sheet)
Spezifisches Volumen-Temperatur (pvT) Makroblend® KU2-7609 (Multipoint Data Sheet)
Stress-Strain Makroblend® KU2-7609 (Multipoint Data Sheet)
Viscosity Shear Rate Makroblend® KU2-7609 (Multipoint Data Sheet)

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