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Ultradur® B 2550 FC
| Category: | PBT , Polybutylene Terephthalate |
| Manufacturer: | BASF Corporation |
| Trademark: | Ultradur® |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | Dir7Io_Ultradur-B-2550-FC.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Ultradur B 2550 FC is an unfilled, easy flow PBT offering good heat resistance. This grade is a food contact grade. Applications Applications include monofilament, bristles and heat-resistant coatings on paper and board used for packaging frozen foods and oven-ready meals. Also for injection molding applications that call for high flowability. |
| General Information | |
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| Features |
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| Uses |
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| Agency Ratings |
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| RoHS Compliance |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Density | 1.30 | g/cm³ | ISO 1183 |
| Melt Volume-Flow Rate (MVR) (250°C/2.16 kg) | 40.0 | cm³/10min | ISO 1133 |
| Viscosity Number (Reduced Viscosity) | 107.0 | ml/g | ISO 1628 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Ball Indentation Hardness | 130 | MPa | ISO 2039-1 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus (23°C) | 2500 | MPa | ISO 527-2 |
| Tensile Stress (Yield, 23°C) | 57.0 | MPa | ISO 527-2 |
| Tensile Strain (Yield, 23°C) | 3.7 | % | ISO 527-2 |
| Nominal Tensile Strain at Break (23°C) | 35 | % | ISO 527-2 |
| Tensile Creep Modulus (1000 hr) | 1100 | MPa | ISO 899-1 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Charpy Notched Impact Strength (23°C) | 6.0 | kJ/m² | ISO 179 |
| Charpy Unnotched Impact Strength (23°C) | 250 | kJ/m² | ISO 179 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Heat Deflection Temperature (1.8 MPa, Unannealed) | 65.0 | °C | ISO 75-2/A |
| Melting Temperature (DSC) | 223 | °C | ISO 3146 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Surface Resistivity | 1.0E+13 | ohms | IEC 60093 |
| Volume Resistivity | 1.0E+14 | ohms·cm | IEC 60093 |
| Dielectric Constant | IEC 60250 | ||
| 100 Hz | 3.30 | IEC 60250 | |
| 1 MHz | 3.30 | IEC 60250 | |
| Dissipation Factor | IEC 60250 | ||
| 100 Hz | 1.3E-3 | IEC 60250 | |
| 1 MHz | 0.020 | IEC 60250 | |
| Comparative Tracking Index | 500 | V | IEC 60112 |
| Flammability | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Flame Rating (1.50 mm) | HB | UL 94 |
| Extrusion | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 100 - 120 | °C | |
| Drying Time | 4.0 | hr | |
| Suggested Max Moisture | 0.040 | % | |
| Cylinder Zone 1 Temp. | 260 - 265 | °C | |
| Cylinder Zone 2 Temp. | 265 - 275 | °C | |
| Cylinder Zone 3 Temp. | 260 - 270 | °C | |
| Cylinder Zone 4 Temp. | 255 - 265 | °C | |
| Melt Temperature | 260 - 270 | °C | |
| Head Temperature | 260 - 270 | °C | |
| Extruder Screw L/D Ratio | >25.0:1.0 | ||
| Extruder Screw Compression Ratio | 3.5:1.0 to 4.0:1.0 | ||
| Die Temperature | 260 - 270 | °C |
| Extrusion instructions |
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| Pump: 260-270 degC (500-518 degF)Recommended Screw: Three section screw: 6D/7D/9D + 3DWater Bath Temperature: 45-60 degC (113-140 degF) |
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