Ultradur® B 4040 G4
Polybutylene Terephthalate + PET
Product Description:
Injection molding grade with 20% glass fibers for industrial parts with excellent surface quality, for example external door handles in vehicles, visible sunroof frames, oven door handles, toaster casings, external mirrors, rear screen wiper arms in vehicles and sunroof wind deflectors. Formerly called KR 4040 G4.
Filler / Reinforcement | Glass Fiber, 20% Filler by Weight
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Features | |
Uses | Appliance Components、Automotive Applications、Handles、Industrial Parts |
Agency Ratings | |
RoHS Compliance | |
Appearance | Black、Colors Available |
Forms | |
Processing Method | |
Multi-Point Data | Isothermal Stress vs. Strain (ISO 11403-1) Secant Modulus vs. Strain (ISO 11403-1) Shear Modulus vs. Temperature (ISO 11403-1) |
Resin ID (ISO 1043) | |
Density | 1.47 | g/cm³ | ISO 1183 |
Apparent (Bulk) Density | 0.70 to 0.80 | g/cm³ |
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Melt Volume-Flow Rate (MVR) (275°C/2.16 kg) | 1.34 | in³/10min | ISO 1133 |
Molding Shrinkage |
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| ISO 294-4 |
Across Flow | 0.90 | % |
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Flow | 0.40 | % |
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Water Absorption |
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| ISO 62 |
Saturation, 73°F | 0.40 | % |
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Equilibrium, 73°F, 50% RH | 0.20 | % |
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Viscosity Number 2 | 105 | cm³/g | ISO 307 |
Mold Shrinkage 3 |
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free, longitudinal | 0.21 | % |
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free, transverse | 1.1 | % |
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Ball Indentation Hardness (H 358/30) | 27600 | psi | ISO 2039-1 |
Tensile Modulus | 1.09E+6 | psi | ISO 527-2 |
Tensile Stress (Break) | 17400 | psi | ISO 527-2 |
Tensile Strain (Break) | 2.8 | % | ISO 527-2 |
Flexural Modulus | 1.02E+6 | psi | ISO 178 |
Flexural Stress | 27600 | psi | ISO 178 |
Charpy Notched Impact Strength (73°F) | 2.6 | ft·lb/in² | ISO 179/1eA |
Charpy Unnotched Impact Strength |
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| ISO 179/1eU |
-22°F | 19 | ft·lb/in² |
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73°F | 19 | ft·lb/in² |
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Heat Deflection Temperature |
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66 psi, Unannealed | 419 | °F | ISO 75-2/B |
264 psi, Unannealed | 356 | °F | ISO 75-2/A |
Melting Temperature | 433 | °F | ISO 11357-3 |
CLTE - Flow (73 to 176°F) | 1.1E-5 to 1.7E-5 | in/in/°F | ISO 11359-2 |
Specific Heat | 0.263 | Btu/lb/°F |
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Maximum Service Temperature - short cycle operation | 410 | °F |
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Surface Resistivity | 1.0E+13 | ohms | IEC 60093 |
Volume Resistivity | 1.0E+16 | ohms·cm | IEC 60093 |
Relative Permittivity |
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| IEC 60250 |
100 Hz | 3.70 |
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1 MHz | 3.50 |
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Dissipation Factor |
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| IEC 60250 |
100 Hz | 1.4E-3 |
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1 MHz | 0.018 |
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Comparative Tracking Index (Solution A) | 300 | V | IEC 60112 |
Flammability Classification |
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| IEC 60695-11-10, -20 |
0.030 in | HB |
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0.06 in | HB |
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Drying Temperature | 176 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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Hopper Temperature | 176 | °F |
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Rear Temperature | 500 | °F |
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Middle Temperature | 509 | °F |
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Front Temperature | 518 | °F |
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Nozzle Temperature | 518 | °F |
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Processing (Melt) Temp | 482 to 536 | °F |
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Mold Temperature | 140 to 212 | °F |
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Screw Speed | < 591 | in/min |
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