Ultradur® B 4300 G3
Polybutylene Terephthalate
Product Description:
Ultradur B 4300 G3 is an easy flowing injection molding PBT with 15% glass fiber reinforcement for rigid, tough, and dimensionally stable parts.
Applications
Typical applications include timer dials, toggles, knobs, parts for thermostats, oven-door handles, toaster housings and grills.
Filler / Reinforcement | Glass Fiber, 15% Filler by Weight
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Features | Good Dimensional Stability、Good Flow、Good Rigidity、Good Toughness |
Uses | Electrical Parts、Handles、Housings、Knobs |
Agency Ratings | |
RoHS Compliance | |
Forms | |
Processing Method | |
Density / Specific Gravity |
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-- | 1.42 |
| ASTM D792 |
-- | 1.42 | g/cm³ | ISO 1183 |
Melt Volume-Flow Rate (MVR) (250°C/2.16 kg) | 1.34 | in³/10min | ISO 1133 |
Molding Shrinkage - Flow (0.125 in) | 5.0E-3 | in/in |
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Water Absorption |
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Saturation | 0.40 | % | ASTM D570 |
Saturation, 73°F | 0.40 | % | ISO 62 |
Equilibrium, 50% RH | 0.20 | % | ASTM D570 |
Equilibrium, 73°F, 50% RH | 0.20 | % | ISO 62 |
Viscosity Number (Reduced Viscosity) | 111.0 | ml/g | ISO 1628 |
Tensile Modulus (73°F) | 870000 | psi | ISO 527-2 |
Tensile Strength (Break, 73°F) | 13500 | psi | ASTM D638, ISO 527-2 |
Tensile Elongation (Break, 73°F) | 4.0 | % | ASTM D638, ISO 527-2 |
Flexural Modulus |
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73°F | 701000 | psi | ASTM D790 |
73°F | 696000 | psi | ISO 178 |
Notched Izod Impact |
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-40°F | 0.81 | ft·lb/in | ASTM D256 |
73°F | 0.99 | ft·lb/in | ASTM D256 |
73°F | 2.8 | ft·lb/in² | ISO 180 |
Deflection Temperature Under Load |
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66 psi, Unannealed | 428 | °F | ASTM D648, ISO 75-2/B |
264 psi, Unannealed | 397 | °F | ASTM D648 |
264 psi, Unannealed | 361 | °F | ISO 75-2/A |
Peak Melting Temperature | 433 | °F | ASTM D3418, ISO 3146 |
CLTE - Flow | 2.2E-5 | in/in/°F |
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RTI Elec |
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| UL 746 |
0.030 in | 266 | °F |
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0.06 in | 266 | °F |
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0.12 in | 266 | °F |
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RTI Imp |
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| UL 746 |
0.06 in | 221 | °F |
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0.12 in | 221 | °F |
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RTI Str (0.12 in) | 284 | °F | UL 746 |
Surface Resistivity |
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0.0591 in | 1.0E+13 | ohms | ASTM D257 |
-- | 1.0E+13 | ohms | IEC 60093 |
Volume Resistivity |
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0.0591 in | > 1.0E+15 | ohms·cm | ASTM D257 |
-- | > 1.0E+15 | ohms·cm | IEC 60093 |
Dielectric Constant |
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| IEC 60250 |
100 Hz | 3.70 |
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1 MHz | 3.70 |
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Dissipation Factor |
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| IEC 60250 |
100 Hz | 1.2E-3 |
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1 MHz | 0.015 |
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Flame Rating |
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| UL 94 |
0.030 in | HB |
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0.06 in | HB |
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0.12 in | HB |
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Drying Temperature | 212 to 248 | °F |
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Drying Time | 4.0 | hr |
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Suggested Max Moisture | 0.040 | % |
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Processing (Melt) Temp | 482 to 518 | °F |
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Mold Temperature | 140 to 212 | °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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