| About |
|---|
| Warning: The status of this material is ‘Commercial: Limited Issue’ The data for this material has not been recently verified. Please contact RTP Company for current information prior to specifying this grade. This Series of products offers the strength, warpage control and dimensional stability to mold close tolerance parts.&& |
| Product Description | |
|---|---|
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Negative |
| Features | Good Rigidity,Good Dimensional Stability,Good Electrical Properties,High elastic,Heat Stabilized,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.73 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.20 | % | ASTM D955 |
| Water absorption rate | |||
| 23℃，24hr | 0.080 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 96 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| 3.2 mm | 640 | J/m | ASTM D4812 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed | 216 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 210 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | |||
| MD | 2.2E-5 | 1/℃ | ASTM D696 |
| Thermal conductivity coefficient | 0.23 | W/m/K | ASTM C177 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | 20 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 1 MHz | 4.20 | ASTM D150 | |
| Dissipation factor | |||
| 1 MHz | 0.015 | ASTM D150 | |
| Arc resistance | |||
| 1.59 mm | 120 | sec | ASTM D495 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 120 | ASTM D785 | |
| Tensile modulus | 15200 | MPa | ASTM D638 |
| tensile strength | ASTM D638 | ||
| yield | 145 | MPa | ASTM D638 |
| — | 124 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 1.8 | % | ASTM D638 |
| Bending modulus | 13100 | MPa | ASTM D790 |
| bending strength | ASTM D790 | ||
| — | 207 | MPa | ASTM D790 |
| yield | 214 | MPa | ASTM D790 |
| compressive strength | 138 | MPa | ASTM D695 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 121 | °C | |
| Drying time | 4.0 | hr | |
| Recommended maximum moisture content | 0.030 | % | |
| Proposed maximum recycled material ratio | 20 | % | |
| Barrel rear temperature | 232 to 271 | °C | |
| Barrel middle temperature | 232 to 271 | °C | |
| Barrel front temperature | 232 to 271 | °C | |
| Mold temperature | 38 to 121 | °C | |
| Injection pressure | 68.9 to 103 | MPa | |
| Back pressure | 0.172 to 0.517 | MPa | |
| Screw speed | 60 to 90 | rpm | |
| Clamping force | 6.9 to 11 | kN/cm² | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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