| About |
|---|
| Pyramid™ KD2250-NT is a Polyetheretherketone (PEEK) product filled with 30% carbon fiber. It is available in North America. Primary characteristic: flame rated.&& |
| Product Description | |
|---|---|
| Generic | PEEK |
| Material Status | Commercial: Active |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.40 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 0.30 | % | ASTM D955 |
| Water absorption rate | |||
| 23℃，24hr | 0.060 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 59 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 315 | ℃ | ASTM D648 |
| Glass transition temperature | 143 | ℃ | ASTM D3418 |
| Melting temperature | 344 | ℃ | DSC |
| Linear coefficient of thermal expansion | |||
| MD：< 143℃ | 1.4E-5 | 1/℃ | ASTM D696 |
| Thermal conductivity coefficient | 0.92 | W/m/K | ASTM C177 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | V-0 | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 124 | ASTM D785 | |
| Tensile modulus | 23000 | MPa | ASTM D638 |
| tensile strength | 232 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 2.0 | % | ASTM D638 |
| Bending modulus | 21000 | MPa | ASTM D790 |
| bending strength | |||
| yield | 388 | MPa | ASTM D790 |
| compressive strength | 240 | MPa | ASTM D695 |
| Poisson’s ratio | 0.44 | ||
| friction coefficient | |||
| dynamic | 0.16 | ASTM D1894 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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