Differences Between PPA Resins And PPA LCF40 Composites - Carbon Fiber Compounds Manufacturer | Supplier
Mar-20-2025
PPA LCF40 composites (PPA resins reinforced with 40% long carbon fiber, PPA-40LCF) are high-performance engineering materials commonly used in fields requiring high strength, rigidity, and heat resistance. Below are the performance comparison dimensions and suggested methods for comparison.
1. Performance Comparison Dimensions
The following are the main performance indicators for comparing PPA resins and PPA LCF40 composites:
| Performance Indicator | PPA Resin | PPA LCF40 Composite | Explanation |
|---|---|---|---|
| Mechanical Properties | |||
| – Tensile Strength | Moderate (~80-120 MPa) | High (~200-300 MPa) | Long carbon fiber significantly enhances strength. |
| – Flexural Strength | Moderate (~120-150 MPa) | High (~250-350 MPa) | Long carbon fiber improves rigidity. |
| – Impact Strength | Moderate | Relatively High | Long carbon fiber may improve toughness (compared to short fiber). |
| Thermal Properties | |||
| – Heat Deflection Temp (HDT) | ~120-150°C | ~250-300°C | Long carbon fiber significantly enhances heat resistance. |
| – Long-term Use Temperature | ~80-120°C | ~150-200°C | Long carbon fiber improves thermal stability. |
| Chemical Properties | |||
| – Chemical Resistance | Excellent | Excellent | Both are resistant to oils, fuels, and chemicals. |
| – Moisture Absorption | Low | Low | Long carbon fiber may slightly reduce moisture absorption. |
| Other Properties | |||
| – Density | ~1.3-1.4 g/cm³ | ~1.5-1.6 g/cm³ | Long carbon fiber increases density. |
| – Wear Resistance | Moderate | High | Long carbon fiber enhances wear resistance. |
| – Processability | Good | Difficult | Long carbon fiber increases processing difficulty. |
| – Anisotropy | Low | High | Long carbon fiber may lead to directional dependency in properties. |
2. Data Sources
- Technical Data Sheets (TDS): Obtain technical data sheets for PPA resin and PPA LCF40 from Carbon Xiamen New Material Laboratory.
- Experimental Testing: Acquire actual performance data through laboratory testing.
- Literature References: Consult relevant research papers or industry reports.
3. Example Comparison Chart Description
Below is a simplified description of a comparison chart:
 |
4. Conclusion
- PPA Resins: Suitable for general engineering applications, lower cost, and good processability.
- PPA LCF40 Composites: Suitable for applications requiring high strength, rigidity, and heat resistance, but with higher costs, processing difficulties, and potential anisotropy.
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