PP LGF40 Structural Composite | High-Performance LFT Solution | [LFT-G®]
Fiber-Matrix Architecture
- PP LGF40 refers to polypropylene reinforced with 40% long glass fibers. The inclusion of long glass fibers significantly enhances the mechanical properties of the base material, making it suitable for demanding environments where strength, rigidity, and dimensional stability are critical factors.The key feature of PP LGF40 lies in its structure. Long glass fibers are embedded within the polypropylene matrix, creating a composite material that combines the best attributes of both components. These fibers act as reinforcements, improving tensile strength, impact resistance, and creep performance. Additionally, they help maintain the shape and integrity of the material under stress, ensuring consistent performance over time.
Long Glass fiber will deliver the advantage:
- Enhanced Mechanical Properties: With 40% long glass fiber reinforcement, PP LGF40 exhibits significantly higher tensile strength, flexural modulus, and impact resistance compared to unreinforced PP. This makes it ideal for structural components that require robustness and durability.
- Dimensional Stability: The addition of long glass fibers improves the dimensional stability of the material, reducing warpage and shrinkage during molding processes. This ensures precise tolerances and better part quality
- Recyclability: Both polypropylene and glass fibers are recyclable, contributing to the sustainability of products made from PP LGF40. This aligns with growing global efforts toward eco-friendly manufacturing practices.
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
Automotive Industry
- Used in structural components such as bumpers, door panels, seat frames, and under-the-hood parts. Its lightweight nature contributes to fuel efficiency while maintaining safety standards.
Electrical/Electronics Sector
- Employed in housings, brackets, and connectors due to its electrical insulation properties and ability to endure mechanical stress.

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 3.5mm land length
- Runner system: Cold runner with 8:1 L/D ratio
- Vent design: 0.03mm depth at flow end areas
Download PP LGF40 Technical Data Sheet PDF
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