Polybutylene terephthalate (PBT), non-reinforced, direct metal spraying, high flow, low gas emission and good injection molding surface appearance, especially suitable for automotive lighting frames.
Product Description | |||
Polybutylene terephthalate (PBT), non-reinforced, direct metal spraying, high flow, low gas emission and good injection molding surface appearance, especially suitable for automotive lighting frames. | |||
General | |||
Form | Resin Pellets | ||
Physical | Nominal Value | Test Method | |
Specific Gravity | 1.31 g/cm³ | ISO 1183-1 | |
Melt Flow(2.16 kg;Temperature; 250 °C) | 80 g/10min | ISO 1133 | |
Mold Shrinkage, Flow | 1.8 - 2.0 % | ISO 294-4 | |
Mold Shrinkage, XFlow | 1.8 - 2.0 % | ISO 294-4 | |
Mechanical | Nominal Value | Test Method | |
Tensile Strength, Break(50 mm/min) | 50 MPa | ISO 527-2 | |
Tensile Strain, Break(50 mm/min) | 7.5 % | ISO 527-2 | |
Flexural Strength(2 mm/min) | 65 MPa | ISO 178 | |
Flexural Modulus(2 mm/min) | 2100 MPa | ISO 178 | |
Charpy Impact Strength, Notched(23 °C) | 4.5 kJ/m² | ISO 179 | |
Charpy Impact Strength, Unnotched(23 °C) | 120 kJ/m² | ISO 179 | |
Thermal | Nominal Value | Test Method | |
Deflection Temperature Unannealed;1.8 MPa;3.2 mm Unannealed;0.45 MPa;3.2 mm Annealed;0.45 MPa;3.2 mm | 55 °C 150 °C 183 °C | ISO 75-1,-2 | |
Vicat Softening Point(50 °C/h;5 kg) | 172 °C | ISO 306 | |
Flammability, UL94 | HB | UL 94 | |
Electrical | Nominal Value | Test Method | |
Volume Resistivity | 1.0e+16 ohms·cm | IEC 60093 | |
Relative Permittivity(50 Hz) | 3.8 | IEC 60250 | |
Dissipation Factor(50/60 Hz) | 0.02 | IEC 60250 | |
Dielectric Strength, in Oil | 18 kV/mm | IEC 60243-1 |
Processing | Nominal Value |
Drying Temperature<Injection> | 120 - 140 °C |
Drying Time<Injection> | 3 - 4 hrs |
Melt Temperature<Injection> | 250 - 280 °C |
Nozzle Temperature<Injection> | 250 - 280 °C |
Mold Temperature<Injection> | 30 - 80 °C |
Injection Pressure<Injection> | 70 - 120 MPa |
Back Pressure<Injection> | 6 - 18 MPa |
Screw Speed<Injection> | < 100 rpm |