| About |
|---|
| PBT medium viscosity 30% glass fiber reinforced, good flow, high stiffness, good mechanical and thermal properties, very high dimensional stability. Available: all colors, heat stabilized (H), release agent (W).&& |
| Product Description | |
|---|---|
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good Dimensional Stability,Good liquidity,Good stripping performance,Heat Stabilized,HB |
| Availabilitys | Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.53 | g/cm³ | ISO 1183 |
| Melt Flow Rate | |||
| 250℃，2.16kg | 17 | g/10min | ASTM D1238，ISO 1133 |
| Shrinkage rate | |||
| TD | 0.50 to 1.0 | % | |
| MD | 0.25 to 0.55 | % | Internal Method |
| Water absorption rate | ISO 62 | ||
| 23℃，24hr | 0.050 | % | ISO 62 |
| Saturation, 23 ℃ | 0.24 | % | ISO 62 |
| Granule Humidity | < 0.050 | % | Internal Method |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 9700 | MPa | ISO 527-1-2 |
| tensile strength | |||
| fracture | 135 | MPa | ISO 527-2/50 |
| Tensile strain | |||
| fracture | 2.7 | % | ISO 527-2/50 |
| Bending modulus | 8800 | MPa | ISO 178 |
| bending strength | 210 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | |||
| 23℃ | 8.5 | kJ/m² | ISO 179/1eA |
| Impact strength of cantilever beam notch | |||
| 23℃ | 80 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 218 | ℃ | ISO 75-2/B |
| 1.8 MPa, unannealed | 210 | ℃ | ISO 75-2/A |
| Continuous use temperature | IEC 60216 | ||
| — | 100 | ℃ | IEC 60216 |
| — | 140 | ℃ | IEC 60216 |
| — | 180 | ℃ | IEC 60216 |
| Vicat Softening Temp | |||
| B50 | 216 | ℃ | ISO 306 |
| Melting temperature | 220 to 225 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| MD：-30~30℃ | 3.0E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | > 1.0E+15 | ohms·cm | IEC 60093 |
| Dielectric strength | |||
| 2 mm | 21 | kV/mm | IEC 60243-1 |
| Dielectric constant | 3.80 | IEC 60250 | |
| Compared to the leakage tracing index | |||
| Solution A | 450 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 1.00 mm | HB | UL 94 | |
| 1.60 mm | HB | UL 94 | |
| 3.20 mm | HB | UL 94 | |
| Igniting temperature of the hot wire | |||
| 2 mm | 700 | ℃ | IEC 60695-2-13 |
| Extreme oxygen index | 20 | % | ASTM D2863 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | |||
| — | 100 | °C | |
| Pre-drying equipment | 120 to 130 | °C | |
| Drying time | |||
| — | 1.0 to 2.0 | hr | |
| Pre-drying equipment | 3.0 | hr | |
| Processing (melt) temperature | 250 to 270 | °C | |
| Mold temperature | 80 to 110 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.039 in/min |
| 3. 120°C/hr |
| 4. 20000 hrs |
| 5. Heat Stabilized, 20000 hrs |
| 6. Heat Stabilized, Short Term |
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