| About |
|---|
| TUFBET® Polybutylene Terephthalate (PBT) Compounds are semi-crystalline engineering thermoplastics with excellant insulation properties. Various TUFBET grades offer good strength along with stiffness with low moisture absorption, high thermal stability, exceptional electrical insulation, outstanding dimensional stability and resistance to the effects of a wide range of chemical, solvents and oils. PBT Mineral Filled Grade for vaccum Metallization.&& |
| Product Description | |
|---|---|
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Negative |
| Features | Good Rigidity,Hypocrystalline,Good stability,Grease resistance,Solvent resistance,Low moisture absorption,Heat Stabilized,Insulation |
| Availabilitys | Africa & Middle East ,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.49 | g/cm³ | ISO 1183 |
| water content | < 0.20 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 2.5 | kJ/m² | ISO 180 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 65.0 | ℃ | ISO 75-2/A |
| Melting temperature | |||
| DSC | 225 | ℃ | ISO 3146 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+12 | ohms | ASTM D257 |
| Volume resistivity | 1.0E+12 | ohms·cm | ASTM D257 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | ISO 2039-2 | ||
| M-level | 75 | ISO 2039-2 | |
| R-level | 112 | ISO 2039-2 | |
| tensile strength | |||
| fracture | 45.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| fracture | 2.0 | % | ISO 527-2 |
| Bending modulus | 4000 | MPa | ISO 178 |
| bending strength | 95.0 | MPa | ISO 178 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | |||
| Desiccant desiccant | 80 | °C | |
| Vacuum dryer | 100 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Barrel rear temperature | 225 to 235 | °C | |
| Barrel middle temperature | 230 to 240 | °C | |
| Barrel front temperature | 240 to 250 | °C | |
| Nozzle temperature | 245 to 255 | °C | |
| Mold temperature | 80 to 100 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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