| About |
|---|
| Chemical abbreviation according to ISO 1043: PBT GF50. Moulding compound ISO 7792-1 PBT, MGAR, 08-160, GF50. Polybutylene terephthalate, 50 % glass fiber reinforced. Flammability UL 94 HB minimum thickness 0.82 mm. Recognition by Underwriters Laboratories, USA (UL)&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | HB |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.71 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 250℃，2.16 kg | 5.00 | cm³/10min | ISO 1133 |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.15 | % | ISO 62 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 17000 | MPa | ISO 527-2/1A/1 |
| tensile strength | |||
| fracture | 165 | MPa | ISO 527-2/1A/5 |
| Tensile strain | |||
| fracture | 2.0 | % | ISO 527-2/1A/5 |
| Tensile creep modulus | ISO 899-1 | ||
| 1 hr | 12500 | MPa | ISO 899-1 |
| 1000 hr | 9500 | MPa | ISO 899-1 |
| bending strength | |||
| 23℃ | 240 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 12 | kJ/m² | ISO 179/1eA |
| 23℃ | 12 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 65 | kJ/m² | ISO 179/1eU |
| 23℃ | 70 | kJ/m² | ISO 179/1eU |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 228 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 215 | ℃ | ISO 75-2/A |
| 8.0 MPa, unannealed | 185 | ℃ | ISO 75-2/C |
| Vicat Softening Temp | |||
| B50 | 225 | ℃ | ISO 306 |
| Melting temperature | 225 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| MD | 1.5E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+15 | ohms | IEC 60093 |
| Volume resistivity | > 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | 35 | kV/mm | IEC 60243-1 |
| Relative permittivity | IEC 60250 | ||
| 100 Hz | 4.40 | IEC 60250 | |
| 1 MHz | 4.10 | IEC 60250 | |
| Dissipation factor | IEC 60250 | ||
| 100 Hz | 1.6E-3 | IEC 60250 | |
| 1 MHz | 0.019 | IEC 60250 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 0.80 mm | HB | UL 94 | |
| 1.60 mm | HB | UL 94 | |
| Extreme oxygen index | 20 | % | ISO 4589-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 to 140 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Hopper temperature | 20 to 50 | °C | |
| Barrel rear temperature | 250 to 260 | °C | |
| Barrel middle temperature | 255 to 260 | °C | |
| Barrel front temperature | 255 to 265 | °C | |
| Nozzle temperature | 260 to 270 | °C | |
| Processing (melt) temperature | 260 to 270 | °C | |
| Mold temperature | 75 to 100 | °C | |
| Injection pressure | 60.0 to 100 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 30s |
| 3. 10°C/min |
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