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Makroblend® UT408

(PC+PET) blend, unreinforced; impact modified; high flow; injection molding grade; good impact strength; dimensional stability and chemical resistance. Suitable for some food contact applications (contact Covestro for more information).

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About

Product Types

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Material

Plastics
Impact resistant, Dimensionally stable, Chemical resistant, Food-contact-compliant

General Characterization

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Storage Conditions

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Sampling

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Packaging Type

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Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 255 - 265
Barrel Temperatures - Middle - °C 250 - 260
Barrel Temperatures - Nozzle - °C 255 - 270
Barrel Temperatures - Rear - °C 245 - 255
Dry Air Drying Temperature - °C 110 - 110
Dry Air Drying Time - h 2 - 4
Hold Pressure (% of injection pressure) - % 50 - 75
Melt Temperatures - °C 260 - 280
Moisture Content max. (%) - % =< 0.01
Mold Temperatures - °C 50 - 100
Peripheral Screw Speed - m/s 0.05 - 0.2
Plastic Back Pressure (specific) - bar 50 - 150
Shot-to-Cylinder Size - % 30 - 70
Standard Melt Temperature - °C 270
Vent Depth - mm 0.025 - 0.075
Property Name Standard Test condition Unit Value
Burning behavior UL 94 (1.5 mm) UL 94 Class HB
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 0.8
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 131
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 109
Thermal conductivity, cross-flow ISO 8302 23 °C; 50 % r. h. W/(m*K) 0.2
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 142
Property Name Standard Test condition Unit Value
Flexural modulus ISO 178 2 mm/min MPa 2350 - 2350
Flexural strength ISO 178 2 mm/min MPa 88
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 71 - 71
Izod notched impact strength ISO 7391/b.o. ISO 180-A 23 °C; 3 mm kJ/m² 60
Izod notched impact strength ISO 7391/b.o. ISO 180-A -30 °C; 3 mm kJ/m² 10
Nominal strain at break ISO 527-1,-2 50 mm/min % 100
Stress at break ISO 527-1,-2 50 mm/min MPa 64
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2400 - 2400
Yield strain ISO 527-1,-2 50 mm/min % 5.5
Yield stress ISO 527-1,-2 50 mm/min MPa 59
Property Name Standard Test condition Unit Value
Melt volume-flow rate ISO 1133 270 °C; 5 kg cm³/10 min 20
Molding shrinkage, parallel/normal b.o. ISO 2577 Value range based on general practical experience (600bar) % 0.6 - 0.8
Property Name Standard Test condition Unit Value
Comparative tracking index CTI IEC 60112 Solution A Rating 375
Dissipation factor IEC 60250 1 MHz 10^-4^ 140
Dissipation factor IEC 60250 100 Hz 10^-4^ 13
Electrical strength IEC 60243-1 1 mm kV/mm 34
Relative permittivity IEC 60250 1 MHz 3.1
Relative permittivity IEC 60250 100 Hz 3.2
Surface resistivity IEC 60093 Ohm 1E16
Volume resistivity IEC 60093 Ohm*m 1E14
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
Density ISO 1183-1 kg/m³ 1220 - 1220
Water absorption (equilibrium value) ISO 62 23 °C; 50 % r. h. % 0.2
Water absorption (saturation value) ISO 62 Water at 23 °C % 0.5

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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