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Makroblend® UT235 M

(PC+PET)-blend, 15% mineral filled, easy flow, low coefficient of linear thermal expansion, easy release, injection molding. Molded parts from UT235M having exceptional dimensional stability.

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Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 260 - 270
Barrel Temperatures - Middle - °C 240 - 250
Barrel Temperatures - Nozzle - °C 270 - 280
Barrel Temperatures - Rear - °C 220 - 230
Dry Air Drying Temperature - °C 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 70 - 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 270
Vent Depth - mm 0.025 - 0.075
Property Name Standard Test condition Unit Value
Coefficient of linear thermal expansion, normal ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.45
Coefficient of linear thermal expansion, normal ISO 11359-1,-2 23 to 85 °C 10^-4^/K 0.48
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.45
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 85 °C 10^-4^/K 0.45
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 128
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 114
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 139
Property Name Standard Test condition Unit Value
Charpy impact strength ISO 179/1eU -30 °C kJ/m² 85
Charpy impact strength ISO 179/1eU 23 °C kJ/m² 85
Flexural modulus ISO 178 2 mm/min MPa 4650
Flexural strain at flexural strength ISO 178 2 mm/min % 5
Flexural strength ISO 178 2 mm/min MPa 115
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 110
Izod impact strength ISO 180/U -30 °C kJ/m² 75
Izod impact strength ISO 180/U 23 °C kJ/m² 75
Puncture energy ISO 6603-2 23 °C J 36
Puncture impact properties - maximum force ISO 6603-2 23 °C N 4500
Strain at break ISO 527-1,-2 5 mm/min % 4.0
Stress at break ISO 527-1,-2 5 mm/min MPa 67
Tensile modulus ISO 527-1,-2 1 mm/min MPa 4500
Yield strain ISO 527-1,-2 5 mm/min % 3.5
Yield stress ISO 527-1,-2 5 mm/min MPa 68
Property Name Standard Test condition Unit Value
Melt volume-flow rate ISO 1133 270 °C/ 5 kg cm³/10 min 43
Molding shrinkage, normal b.o. ISO 2577 150x105x3 mm³/ 270 °C / MT 70°C/ 600 bar % 0.5 - 0.6
Molding shrinkage, parallel b.o. ISO 2577 150x105x3 mm³/ 270 °C / MT 70°C/ 600 bar % 0.5 - 0.6
Property Name Standard Test condition Unit Value
Injection molding - Injection velocity ISO 294 mm/s 200
Injection molding - Melt temperature ISO 294 °C 270
Injection molding - Mold temperature ISO 294 °C 70
Property Name Standard Test condition Unit Value
Bulk density ISO 60 g/cm³ 0.75
Density ISO 1183-1 kg/m³ 1340
Filler content b.o. ISO 3451-1 Method A % 15
Water absorption (equilibrium value) ISO 62 23 °C; 50 % r. h. % 0.2
Water absorption (saturation value) ISO 62 Water at 23 °C % 0.4

Downloads

Technical Data Sheet
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Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com
Viscosity Shear Rate Makroblend® UT235 M (Multipoint Data Sheet) Viskosität Schergeschwindigkeit Makroblend® UT235 M (Multipoint Data Sheet)
Secant modulus - Strain Makroblend® UT235 M (Multipoint Data Sheet) Sekantenmodul-Dehnung Makroblend® UT235 M (Multipoint Data Sheet)
Stress-Strain Makroblend® UT235 M (Multipoint Data Sheet) Spannung-Dehnung Makroblend® UT235 M (Multipoint Data Sheet)

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