Makroblend® S7916
(PBT+PC)-blend, impact modified, Injection molding grade, excellent chemical resistance, high toughness at low temperatures, ideal for painted applications, unreinforced, applications: motorcycle body parts
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About
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Technical Properties & Datasheets
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Barrel Temperatures - Front | - | °C | 250 - 260 | |
| Barrel Temperatures - Middle | - | °C | 240 - 250 | |
| Barrel Temperatures - Nozzle | - | °C | 260 - 270 | |
| Barrel Temperatures - Rear | - | °C | 230 - 240 | |
| 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. (%) | - | % | <= 0,02 | |
| Mold Temperatures | - | °C | 60 - 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 | 260 | |
| Vent Depth | - | mm | 0.025 - 0.075 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Burning behavior UL 94 | UL 94 | 0.8 mm | Class | HB |
| Burning behavior UL 94 (1.5 mm) | UL 94 | 1.6 mm | Class | HB |
| Burning rate (US-FMVSS) | ISO 3795 | >=1.0 mm | mm/min | passed |
| Coefficient of linear thermal expansion, normal | ISO 11359-1,-2 | 23 to 55 °C | 10^-4^/K | 1.1 |
| Coefficient of linear thermal expansion, parallel | ISO 11359-1,-2 | 23 to 55 °C | 10^-4^/K | 1.1 |
| Glow wire test (GWFI) | IEC 60695-2-12 | 2.0 mm | °C | 650 |
| Oxygen index | ISO 4589-2 | Method A | % | 20 |
| Temperature of deflection under load | ISO 75-1,-2 | 0.45 MPa | °C | 90 |
| Temperature of deflection under load | ISO 75-1,-2 | 1.80 MPa | °C | 60 |
| Thermal conductivity, through-plane | ISO 8302 | 23 °C; 50 % r. h. | W/(m*K) | 0.2 |
| Vicat softening temperature | ISO 306 | 50 N; 120 °C/h | °C | 116 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Ball indentation hardness | ISO 2039-1 | N/mm² | 85 | |
| 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 | 23 °C | kJ/m² | 69 |
| Flexural modulus | ISO 178 | 2 mm/min | MPa | 1700 |
| Flexural strain at flexural strength | ISO 178 | 2 mm/min | % | 5 |
| Flexural strength | ISO 178 | 2 mm/min | MPa | 63 |
| Flexural stress at 3.5 % strain | ISO 178 | 2 mm/min | MPa | 54 |
| Izod impact strength | ISO 180/U | -30 °C | kJ/m² | N |
| Izod impact strength | ISO 180/U | 23 °C | kJ/m² | N |
| Izod notched impact strength | ISO 180/A | 23 °C | kJ/m² | 66 |
| Izod notched impact strength | ISO 180/A | -30 °C | kJ/m² | 47 |
| Nominal strain at break | ISO 527-1,-2 | 50 mm/min | % | > 50 |
| Stress at break | ISO 527-1,-2 | 50 mm/min | MPa | 35 |
| Tensile creep modulus | ISO 899-1 | 1 h | MPa | 1500 |
| Tensile creep modulus | ISO 899-1 | 1000 h | MPa | 1200 |
| Tensile modulus | ISO 527-1,-2 | 1 mm/min | MPa | 1800 |
| Yield strain | ISO 527-1,-2 | 50 mm/min | % | 4 |
| Yield stress | ISO 527-1,-2 | 50 mm/min | MPa | 40 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Göttfert melt viscosity | Bayer test | 165 s^-1^/ 260 °C | Pa*s | 640 |
| Melt volume-flow rate | ISO 1133 | 260 °C/ 5 kg | cm³/10 min | 13 |
| Molding shrinkage, parallel/normal | b.o. ISO 2577 | Value range based on general practical experience (600bar) | % | 1.2 - 1.6 |
| 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 | 600 |
| Comparative tracking index CTI M | IEC 60112 | Solution B | Rating | 400 |
| Dissipation factor | IEC 60250 | 1 MHz | 10^-4^ | 140 |
| Dissipation factor | IEC 60250 | 100 Hz | 10^-4^ | 23 |
| Electrolytic corrosion | IEC 60426 | Rating | A1 | |
| Relative permittivity | IEC 60250 | 1 MHz | 2.9 | |
| Relative permittivity | IEC 60250 | 100 Hz | 3.1 | |
| Surface resistivity | IEC 62631-3-2 | Ohm | >1E17 | |
| Volume resistivity | IEC 62631-3-1 | Ohm*m | >1E15 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Injection molding - Injection velocity | ISO 294 | mm/s | 200 | |
| Injection molding - Melt temperature | ISO 294 | °C | 260 | |
| Injection molding - Mold temperature | ISO 294 | °C | 70 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Bulk density | ISO 60 | g/cm³ | 0.7 | |
| Density | ISO 1183-1 | kg/m³ | 1200 | |
| 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
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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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Stress-Strain Makroblend® S7916 (Multipoint Data Sheet) Spannung-Dehnung Makroblend® S7916 (Multipoint Data Sheet)
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Secant modulus - Strain Makroblend® S7916 (Multipoint Data Sheet) Sekantenmodul-Dehnung Makroblend® S7916 (Multipoint Data Sheet)
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Viscosity Shear Rate Makroblend® S7916 (Multipoint Data Sheet) Viskosität Schergeschwindigkeit Makroblend® S7916 (Multipoint Data Sheet)
