- Plastics
Makroblend® UT250
(PC+PET)-blend, impact modified, easy release, injection molding. Makroblend UT250 offers high heat resistance, good chemical resistance and flowability. Additionally, molded parts from UT250 having exceptional dimensional stability.
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About
Product Types
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Material
- Plastics
- Heat resistant, Chemical resistant, Impact resistant
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 | |
| 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 |
|---|---|---|---|---|
| Temperature of deflection under load | ISO 75-1,-2 | 0.45 MPa | °C | 125 |
| Temperature of deflection under load | ISO 75-1,-2 | 1.80 MPa | °C | 110 |
| Vicat softening temperature | ISO 306 | 50 N; 120 °C/h | °C | 140 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Ball indentation hardness | ISO 2039-1 | N/mm² | 100 | |
| Charpy impact strength | ISO 179/1eU | -30 °C | kJ/m² | N |
| Charpy impact strength | ISO 179/1eU | 23 °C | kJ/m² | N |
| Charpy notched impact strength | ISO 179/1eA | -30 °C | kJ/m² | 30 |
| Charpy notched impact strength | ISO 179/1eA | 23 °C | kJ/m² | 70 |
| Flexural modulus | ISO 178 | 2 mm/min | MPa | 2300 |
| Flexural strain at flexural strength | ISO 178 | 2 mm/min | % | 6.1 |
| Flexural strength | ISO 178 | 2 mm/min | MPa | 88 |
| Flexural stress at 3.5 % strain | ISO 178 | 2 mm/min | MPa | 72 |
| Izod impact strength | ISO 180/1C | -30 °C | kJ/m² | N |
| Izod impact strength | ISO 180/1C | 23 °C | kJ/m² | N |
| Izod notched impact strength | ISO 180/A | 23 °C | kJ/m² | 60 |
| Izod notched impact strength | ISO 180/A | -20 °C | kJ/m² | 40 |
| Izod notched impact strength | ISO 180/A | -30 °C | kJ/m² | 25 |
| Nominal strain at break | ISO 527-1,-2 | 50 mm/min | % | >50 |
| Stress at break | ISO 527-1,-2 | 50 mm/min | MPa | 50 |
| Tensile modulus | ISO 527-1,-2 | 1 mm/min | MPa | 2250 |
| Yield strain | ISO 527-1,-2 | 50 mm/min | % | 5 |
| Yield stress | ISO 527-1,-2 | 50 mm/min | MPa | 55 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Melt volume-flow rate | ISO 1133 | 265 °C/ 5 kg | cm³/10 min | 22 |
| Molding shrinkage, parallel/normal | b.o. ISO 2577 | Value range based on general practical experience (600bar) | % | 0.6 - 0.8 |
| 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 |
| Dissipation factor | IEC 60250 | 1 MHz | 10^-4^ | 146 |
| Dissipation factor | IEC 60250 | 100 Hz | 10^-4^ | 16 |
| Electrical strength | IEC 60243-1 | 1 mm | kV/mm | 34 |
| Relative permittivity | IEC 60250 | 1 MHz | 3.0 | |
| Relative permittivity | IEC 60250 | 100 Hz | 3.2 | |
| Surface resistivity | IEC 62631-3-2 | Ohm | >1E17 | |
| Volume resistivity | IEC 62631-3-1 | Ohm*m | >1E15 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Drying temperature | ISO 294 | °C | 110 | |
| Drying time | ISO 294 | h | 4 | |
| Injection molding - Injection velocity | ISO 294 | mm/s | 200 | |
| Injection molding - Melt temperature | ISO 294 | °C | 265 | |
| Injection molding - Mold temperature | ISO 294 | °C | 70 | |
| Residual humidity | ISO 294 | % | <0.01 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Density | ISO 1183-1 | kg/m³ | 1220 | |
| Water absorption (equilibrium value) | ISO 62 | 23 °C; 50 % r. h. | % | 0.2 |
| Water absorption (saturation value) | ISO 62 | Water at 23 °C | % | 0.55 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
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Viscosity Shear Rate Makroblend® UT250 (Multipoint Data Sheet) Viskosität Schergeschwindigkeit Makroblend® UT250 (Multipoint Data Sheet)
