Advanced Fiber Architecture
- PA66 LGF40 integrates 40% long glass fibers (10-12mm) with polyamide 66 matrix through proprietary pultrusion technology. The optimized fiber-resin interface achieves 89% stress transfer efficiency, surpassing conventional short-fiber composites in fatigue resistance (10⁷ cycles at 70MPa)
Engineered Performance:
- Structural Integrity: 296MPa flexural strength with 8.9GPa modulus, ideal for load-bearing components
- Thermal Endurance: 246°C HDT @1.8MPa maintains dimensional stability under hood temperatures
- Chemical Stability: Resists ASTM #3 oil immersion (ΔV<3% after 1000hrs)
Certified Material Properties
| Property | LFT-G®PA66 LGF40 | PA66-SGF40 | PPS-GF40 | Test Method |
|---|---|---|---|---|
| Tensile Strength | 195 MPa | 168 MPa | 160 MPa | ISO 527 |
| Charpy Impact (Notched) | 35 kJ/m² | 32 kJ/m² | 38 kJ/m² | ISO 179 |
| Coefficient of Friction | 0.15-0.25 | 0.30-0.40 | 0.35-0.45 | ASTM D1894 |
| Flame Rating | UL94 V-0 | HB | V0 | UL 94 |
Automotive System Solutions
Relative Application
Chemical pump housing part
LFT-G® PA66 LGF Composite Granules
Terminal station Plastic Part
Powertrain Components
- Oil pump housings with 0.05mm warp tolerance at 150°C
- Transmission brackets passing 15G vibration tests
E-Mobility Systems
- 800V battery connectors with CTI 600V rating
- Charger housings meeting IP67 sealing
Technical Processing Guide
Molding Parameters
| Parameter | Optimal Range | Critical Control |
|---|---|---|
| Melt Temperature | 293-310°C | Prevent fiber degradation |
| Injection Pressure | 80-120MPa | Maintain fiber orientation |
| Drying Conditions | 4h@85°C | ≤0.18% moisture |
Tooling Specifications
- High polish cavities (Ra≤0.2μm) for surface finish
- Stepped gates with L:t=1:1 ratio
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