| About |
|---|
| SPESIN® KP270 is a Polybutylene Terephthalate (PBT) product. It can be processed by extrusion and is available in North America. Characteristics include: Flame Rated RoHS Compliant&& |
| Product Description | |
|---|---|
| Supplier | Kolon |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | HB |
| Availabilitys | North America |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.31 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 250℃，2.16kg | 8.0 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 1.8 | % | ASTM D955 |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 60% RH | 0.070 | % | ASTM D570 |
| Intrinsic viscosity | 2.0 | dl/g | Internal Method |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 49 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed | 155 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 70.0 | ℃ | ASTM D648 |
| Melting temperature | 224 | ℃ | ASTM D1525 |
| Linear coefficient of thermal expansion | |||
| MD | 8.0E-5 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | 28 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 1 MHz | 3.10 | ASTM D150 | |
| Arc resistance | 120 | sec | ASTM D495 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 118 | ASTM D785 | |
| tensile strength | |||
| 23℃ | 54.0 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | > 100 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 2500 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 94.0 | MPa | ASTM D790 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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