Ultradur® B 4450 G5
Polybutylene Terephthalate
Product Description:
Ultradur B 4450 G5 is a 25% glass reinforced injection molding PBT for parts requiring enhanced fire resistance as well as increased tracking resistance. (Halogen and Antimon free)
Applications
Typical applications include lamp sockets, connectors, coil formers, housings for control units, and power switches.
Uses | Connectors、Housings、Switches |
Agency Ratings | |
RoHS Compliance | |
Forms | |
Processing Method | |
Density | 1.61 | g/cm³ | ISO 1183 |
Melt Volume-Flow Rate (MVR) (275°C/2.16 kg) | 1.22 | in³/10min | ISO 1133 |
Molding Shrinkage |
|
| ISO 294-4 |
Across Flow | 1.5 | % |
|
Flow | 0.55 | % |
|
Water Absorption |
|
| ISO 62 |
Saturation, 73°F | 0.40 | % |
|
Equilibrium, 73°F, 50% RH | 0.20 | % |
|
Viscosity Number (Reduced Viscosity) | 105.0 | ml/g | ISO 1628 |
Tensile Modulus (73°F) | 1.38E+6 | psi | ISO 527-2 |
Tensile Stress (Break, 73°F) | 15200 | psi | ISO 527-2 |
Tensile Strain (Break, 73°F) | 2.4 | % | ISO 527-2 |
Flexural Modulus (73°F) | 1.39E+6 | psi | ISO 178 |
Flexural Stress (73°F) | 26100 | psi | ISO 178 |
Charpy Notched Impact Strength (73°F) | 2.4 | ft·lb/in² | ISO 179 |
Charpy Unnotched Impact Strength |
|
| ISO 179 |
-22°F | 21 | ft·lb/in² |
|
73°F | 20 | ft·lb/in² |
|
Heat Deflection Temperature |
|
|
|
66 psi, Unannealed | 428 | °F | ISO 75-2/B |
264 psi, Unannealed | 410 | °F | ISO 75-2/A |
Melting Temperature (DSC) | 433 | °F | ISO 3146 |
Surface Resistivity | > 1.0E+16 | ohms | IEC 60093 |
Volume Resistivity | 1.0E+16 | ohms·cm | IEC 60093 |
Dielectric Constant (1 MHz) | 3.80 |
| IEC 60250 |
Dissipation Factor (1 MHz) | 0.014 |
| IEC 60250 |
Comparative Tracking Index | 600 | V | IEC 60112 |
Flame Rating |
|
| UL 94 |
0.016 in | V-2 |
|
|
0.06 in | V-0 |
|
|
Drying Temperature | 212 to 248 | °F |
|
Drying Time | 4.0 | hr |
|
Suggested Max Moisture | 0.040 | % |
|
Processing (Melt) Temp | 482 to 518 | °F |
|
Mold Temperature | 140 to 212 | °F |
|
Injection Pressure | 500 to 1500 | psi |
|
Injection Rate | Fast |
|
|
Back Pressure | < 145 | psi |
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