- Plastics
Makroblend® M525
(PC+PBT) Blend, impact modified, easy release, injection molding grade. Makroblend M525 offers an exceptional low-temperature impact strength, good flowability and excellent chemical resistance. Manufactured according to GMP, tested only according to ISO 10993-5 and ISO 10993-10 for contact with uncompromised skin only; for questions regarding biocompatibility we ask for an email inquiry under plastics@covestro.com.
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About
Product Types
- PC+PBT
Material
- Plastics
- Medical, Impact resistant, Chemical resistant, Cold stable
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 | 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 | 250 - 270 | |
| Moisture Content max. (%) | - | % | <= 0,01 | |
| Mold Temperatures | - | °C | 60 - 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 | 260 | |
| Vent Depth | - | mm | 0.025 - 0.075 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Burning behavior UL 94 (1.5 mm) [UL recognition] | UL 94 | Class | HB | |
| Temperature of deflection under load | ISO 75-1,-2 | 0.45 MPa | °C | 100 |
| Temperature of deflection under load | ISO 75-1,-2 | 1.80 MPa | °C | 75 |
| Vicat softening temperature | ISO 306 | 50 N; 120 °C/h | °C | 122 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Flexural modulus | ISO 178 | 2 mm/min | MPa | 2000 |
| Flexural stress at 3.5 % strain | ISO 178 | 2 mm/min | MPa | 65 |
| Izod notched impact strength | ISO 180/A | 23 °C | kJ/m² | 60 |
| Izod notched impact strength | ISO 180/A | -20 °C | kJ/m² | 45 |
| Nominal strain at break | ISO 527-1,-2 | 50 mm/min | % | > 50 |
| Stress at break | ISO 527-1,-2 | 50 mm/min | MPa | 45 |
| Tensile modulus | ISO 527-1,-2 | 1 mm/min | MPa | 2000 |
| Yield strain | ISO 527-1,-2 | 50 mm/min | % | 4.5 |
| Yield stress | ISO 527-1,-2 | 50 mm/min | MPa | 55 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Melt volume-flow rate | ISO 1133 | 260 °C/ 5 kg | cm³/10 min | 21 |
| Molding shrinkage, parallel/normal | b.o. ISO 2577 | Value range based on general practical experience (600bar) | % | 0.7 - 0.9 |
| 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 | 225 |
| Comparative tracking index CTI M | IEC 60112 | Solution B | Rating | 100 |
| Surface resistivity | IEC 62631-3-2 | Ohm | >1E15 | |
| Volume resistivity | IEC 62631-3-1 | Ohm*m | >1E14 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Density | ISO 1183-1 | kg/m³ | 1220 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
