Short cut carbon fiber reinforced implanted PEEK material: The addition of short cut carbon fiber can significantly improve the strength, stiffness, and wear resistance of PEEK material, which is closer to cortical bone hardness, reduces stress shielding, and is suitable for human implantation applications that require higher strength requirements.
| Performance | Reference standards | Unit | Standard value | Actual measurement results |
| Colour | - | - | BLACK | BLACK |
| Carbon fiber content | ASTM D3171 | % | 28-32 | 30.1 |
| Melt index | ISO 1133 | g/10 min | 1-5 | 2.8 |
| Glass transition temperature Tg | ISO 11357-2 | ? | 135-155 | 147 |
| Crystallization temperature Tc | ISO 11357-3 | ? | 270-310 | 286 |
| Melting point Tm | ISO 11357-3 | ? | 330-350 | 340 |
| Infrared spectrum | ASTM F2026 | - | The main absorption peaks of the infrared spectrum of PEEK polymer are consistent with the characteristic absorption peaks of the standard control spectrum of the material | Pass |
| Density | ISO 1183 | kg/m� | 1380-1440 | 1410 |
| Tensile strength (fracture) | ISO 527 | MPa | ?180 | 224 |
| Elongation at break | ISO 527 | % | ?1.2 | 2.8 |
| Bending strength | ISO 178 | MPa | ?280 | 327 |
| Bending modulus | ISO 178 | GPa | ?16 | 19 |
| Notch impact strength | ISO 180 | kJ/m� | ?6 | 8.3 |
| In vitro cytotoxicity | ISO 10993-5 | - | Pass | Pass |
1. Moisture tested during packaging due to AKSOPEEK� It has hygroscopicity, so it needs to be dried before use.
2. Each batch needs to be tested for infrared (FTIR) to ensure compatibility with AKSOPEEK� The spectrum is consistent.
3. 0.001-0.003% calcium stearate can be added as a lubricant.
With more than 18 years of experience in the application and development of polymer materials such as PEEK, Junhua Medical can support customers to complete one-stop services from raw material procurement to product OEM.
E-mail: peekmedica@chinapeek.com
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