| About |
|---|
| HiFill® PBT GF20 is a Polybutylene Terephthalate (PBT) product filled with 20% glass fiber. It can be processed by injection molding and is available in North America. Primary characteristic: flame rated.&& |
| Product Description | |
|---|---|
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | HB |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.43 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.60 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.080 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 85 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 210 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | |||
| MD | 2.5E-5 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | 19 | kV/mm | ASTM D149 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| fracture | 121 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 5.0 | % | ASTM D638 |
| Bending modulus | 6890 | MPa | ASTM D790 |
| bending strength | 165 | MPa | ASTM D790 |
| Rockwell hardness | |||
| R-level | 118 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 121 | °C | |
| Drying time | 4.0 | hr | |
| Barrel rear temperature | 232 to 274 | °C | |
| Barrel middle temperature | 232 to 274 | °C | |
| Barrel front temperature | 232 to 274 | °C | |
| Processing (melt) temperature | 232 to 246 | °C | |
| Mold temperature | 66 to 82 | °C | |
| Back pressure | 0.345 to 0.689 | MPa | |
| Screw speed | 30 to 60 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Method A (Short-Time) |
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