| About |
|---|
| 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.&& |
| Product Description | |
|---|---|
| Supplier | BASF |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Good liquidity,Food contact compliance,Heat Resistance, Good,HB |
| Availabilitys | North America,Europe |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 250℃，2.16 kg | 40.0 | cm³/10min | ISO 1133 |
| Viscosity value | |||
| Reduced viscosity | 107.0 | ml/g | ISO 1628 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 6.0 | kJ/m² | ISO 179 |
| Charpy Unnotch Impact strength | |||
| 23℃ | 250 | kJ/m² | ISO 179 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 65.0 | ℃ | ISO 75-2/A |
| 0.45 MPa, unannealed | 165 | ℃ | ISO 75-2/B |
| Melting temperature | |||
| DSC | 223 | ℃ | ISO 3146 |
| Electrical performance | 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 | |
| Compared to the leakage tracing index | 500 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.50 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 2500 | MPa | ISO 527-2 |
| tensile strength | |||
| Yield, 23 ℃ | 57.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| Yield, 23 ℃ | 3.7 | % | ISO 527-2 |
| Nominal tensile fracture strain | |||
| 23℃ | 35 | % | ISO 527-2 |
| Tensile creep modulus | |||
| 1000 hr | 1100 | MPa | ISO 899-1 |
| Ball hardness | 130 | MPa | ISO 2039-1 |
| Process Conditions | |||
|---|---|---|---|
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 100 to 120 | °C | |
| Drying time | 4.0 | hr | |
| Recommended maximum moisture content | 0.040 | % | |
| Barrel 1 zone temperature | 260 to 265 | °C | |
| Barrel 2 zone temperature | 265 to 275 | °C | |
| Barrel 3 zone temperature | 260 to 270 | °C | |
| Barrel 4 zone temperature | 255 to 265 | °C | |
| Melt temperature | 260 to 270 | °C | |
| Head temperature | 260 to 270 | °C | |
| Nozzle temperature | 260 to 270 | °C | |
| Extruder screw length to diameter ratio L / D | >25.0:1.0 | ||
| Extruder screw compression ratio | 3.5:1.0 to 4.0:1.0 | ||
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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