Bayblend® FR411 MT
Rubber modified PC blend; flame retardant; mineral filled ; Vicat/B 120 temperature = 99 °C; extrusion grade for European railway interiors requiring EN45545; the classifications according to the respective rail standards are communicated with email inquiry under plastics@covestro.com
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Technical Properties & Datasheets
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Barrel Temperatures - Front | - | °C | 240 - 270 | |
| Barrel Temperatures - Middle | - | °C | 235 - 245 | |
| Barrel Temperatures - Nozzle | - | °C | 265 - 275 | |
| Barrel Temperatures - Rear | - | °C | 230 - 240 | |
| Dry Air Drying Temperature | - | °C | 80 | |
| Dry Air Drying Time | - | h | 4 | |
| Hold Pressure (% of injection pressure) | - | % | 50 - 75 | |
| Melt temperatures | - | °C | 260 - 280 | |
| Moisture Content max. (%) | - | % | <= 0,02 | |
| Mold Temperatures | - | °C | 60 - 80 | |
| 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 | UL 94 | 0.75 mm | Class | V-0 (Covestro Test) |
| Burning behavior UL 94 (1.5 mm) | UL 94 | Class | V-0 (Covestro Test) | |
| Burning behavior UL 94-5V | UL 94 | 3.0 mm | Class | 5VB (Covestro Test) |
| Coefficient of linear thermal expansion, normal | ISO 11359-1,-2 | 23 to 55 °C | 10^-4^/K | 0.6 |
| Coefficient of linear thermal expansion, parallel | ISO 11359-1,-2 | 23 to 55 °C | 10^-4^/K | 0.4 |
| Temperature of deflection under load | ISO 75-1,-2 | 0.45 MPa | °C | 93 |
| Temperature of deflection under load | ISO 75-1,-2 | 1.80 MPa | °C | 87 |
| Vicat softening temperature | ISO 306 | 50 N; 120 °C/h | °C | 99 |
| Vicat softening temperature | ISO 306 | 50 N; 50 °C/h | °C | 97 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Izod impact strength | ISO 180/U | 23 °C | kJ/m² | 43 |
| Izod notched impact strength | ISO 180/A | 23 °C | kJ/m² | 6 |
| Strain at break | b.o. ISO 527-1,-2 | 50 mm/min | % | 5 |
| Stress at break | ISO 527-1,-2 | 50 mm/min | MPa | 59 |
| Tensile modulus | ISO 527-1,-2 | 1 mm/min | MPa | 5250 |
| Yield strain | ISO 527-1,-2 | 50 mm/min | % | 3 |
| Yield stress | ISO 527-1,-2 | 50 mm/min | MPa | 67 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Melt viscosity | b.o. ISO 11443-A | 1000 s^-1^ | Pa*s | 240 |
| Melt volume-flow rate | ISO 1133 | 260 °C/ 5 kg | cm³/10 min | 15 |
| Molding shrinkage, normal | b.o. ISO 2577 | 150x105x3 mm³ | % | 0.2 - 0.4 |
| Molding shrinkage, parallel | b.o. ISO 2577 | 150x105x3 mm³ | % | 0.3 - 0.5 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Comparative tracking index CTI | IEC 60112 | Solution A | Rating | 225 |
| Dissipation factor | IEC 60250 | 1 MHz | 10^-4^ | 76 |
| Dissipation factor | IEC 60250 | 100 Hz | 10^-4^ | 61 |
| Electrical strength | IEC 60243-1 | 1 mm | kV/mm | 39 |
| Relative permittivity | IEC 60250 | 1 MHz | 3.1 | |
| Relative permittivity | IEC 60250 | 100 Hz | 3.2 | |
| Surface resistivity | IEC 62631-3-2 | Ohm | 5E+16 | |
| Volume resistivity | IEC 62631-3-1 | Ohm*m | 4E+15 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Injection molding - Injection velocity | ISO 294 | mm/s | 240 | |
| Injection molding - Melt temperature | ISO 294 | °C | 260 | |
| Injection molding - Mold temperature | ISO 294 | °C | 80 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Density | ISO 1183-1 | kg/m³ | 1360 | |
| Water absorption (equilibrium value) | ISO 62 | 23 °C; 50 % r. h. | % | 0.1 |
| Water absorption (saturation value) | ISO 62 | Water at 23 °C | % | 0.4 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
