PP LGF40 Structural Composite | High-Performance LFT Solution | [LFT-G®]

Next-Gen Composite Technology
Fiber-Matrix Architecture
- 40% long glass fiber reinforcement delivers optimal balance between performance and processability:
- Enhanced Interfacial Bonding: Proprietary coupling agents achieve 24MPa interfacial strength (ASTM D2344)
- Fiber Length Optimization: 10mm average fiber length with 88% retention after processing
- Multi-Axial Reinforcement: ±5° fiber alignment through optimized flow channels
Production Innovation
Advanced manufacturing features:
- 6-Zone Thermal Control: Precise temperature profile from 185°C to 225°C (±2°C stability)
- In-Process Monitoring: Real-time fiber dispersion analysis with 98% uniformity
- Moisture Control: ≤0.03% residual moisture content
Certified Material Properties
| Property | LFT-G®PP LGF40 | PA66-GF30 | PBT-GF25 | Test Method |
|---|---|---|---|---|
| Tensile Strength | 140 MPa | 125 MPa | 105 MPa | ISO 527 |
| Flexural Modulus | 6.8 GPa | 4.5 GPa | 5.1 GPa | ISO 178 |
| Charpy Impact (Notched) | 41 kJ/m² | 35 kJ/m² | 28 kJ/m² | ISO 179 |
| HDT @1.8MPa | 148°C | 205°C | 155°C | ISO 75 |
| Density | 1.22 g/cm³ | 1.32 g/cm³ | 1.41 g/cm³ | ISO 1183 |
Industrial Application Solutions
Implementation Cases

Car Front-End Module Plastic Part

LFT-G® PP LGF40 Composite Granules

EV Car Battery Plastic Tray
Volvo CE Excavator Component
- 35% weight reduction vs steel counterpart
- IP65 protection rating
- -40°C to 85°C operational range
BYD Electric Bus Interior Panel
- Class A surface finish (Ra 0.8μm)
- 30% faster cycle time vs SMC
- VOC emissions <50μg/m³

Commercial Vehicle Engine Cover in PP LGF40
Eco-Friendly Production
Sustainability Features
- CO₂ footprint: 2.4kg/kg material
- 90% closed-loop material utilization
- 25% post-industrial recycled content
Global Certifications
- ISO 14001:2015 certified production
- US EPA TSCA compliance
- China GB/T 26572-2011 material standard
Advanced Processing Guidelines
Injection Molding Parameters
| Parameter | Optimal Range | Effect |
|---|---|---|
| Melt Temperature | 240-280°C | Preserves fiber length |
| Injection Speed | 80-120mm/s | Prevents fiber orientation |
| Holding Pressure | 60-80% IP | Reduces warpage |
Tool Design Specifications
- Gate design: Tab gate with 1.5mm land length
- Runner system: Cold runner with 8:1 L/D ratio
- Vent design: 0.03mm depth at flow end areas
Competitive Material Analysis
vs Metal Components
- 40-50% weight reduction potential
- Corrosion resistance in pH 3–11 environments
- 20-35% cost savings in high-volume production
vs Short Fiber Composites
- 3x higher impact strength
- 50% better creep resistance
- Lower anisotropy (1.15 vs 1.45 ratio)
Download PP LGF40 Technical Data Sheet PDF
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