Ultradur® B 4520 High Speed
Polybutylene Terephthalate
Product Description:
Ultradur B 4520 High Speed is an unfilled, easy flowing, injection molding PBT grade.
Applications
Ultradur B 4520 High Speed is designed for connectors and other technical parts.
Uses | |
Agency Ratings | |
RoHS Compliance | |
Forms | |
Processing Method | |
Density | 1.30 | g/cm³ | ISO 1183 |
Melt Volume-Flow Rate (MVR) (250°C/2.16 kg) | 3.05 | in³/10min | ISO 1133 |
Molding Shrinkage |
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| ISO 294-4 |
Across Flow | 1.9 | % |
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Flow | 1.8 | % |
|
Water Absorption |
|
| ISO 62 |
Saturation, 73°F | 0.50 | % |
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Equilibrium, 73°F, 50% RH | 0.25 | % |
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Viscosity Number (Reduced Viscosity) | 115.0 | ml/g | ISO 1628 |
Tensile Modulus (73°F) | 319000 | psi | ISO 527-2 |
Tensile Stress (Yield, 73°F) | 7250 | psi | ISO 527-2 |
Tensile Strain (Yield, 73°F) | 3.5 | % | ISO 527-2 |
Nominal Tensile Strain at Break (73°F) | > 50 | % | ISO 527-2 |
Charpy Notched Impact Strength (73°F) | 1.9 | ft·lb/in² | ISO 179 |
Charpy Unnotched Impact Strength (73°F) | 90 | ft·lb/in² | ISO 179 |
Heat Deflection Temperature |
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66 psi, Unannealed | 266 | °F | ISO 75-2/B |
264 psi, Unannealed | 131 | °F | ISO 75-2/A |
Melting Temperature (DSC) | 433 | °F | ISO 3146 |
Drying Temperature | 212 to 248 | °F |
|
Drying Time | 4.0 | hr |
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Suggested Max Moisture | 0.040 | % |
|
Processing (Melt) Temp | 482 to 518 | °F |
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Mold Temperature | 104 to 176 | °F |
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Injection Pressure | 508 to 1810 | psi |
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Injection Rate | Fast |
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Back Pressure | < 145 | psi |
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