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 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.PP LGF40 represents a significant advancement in the field of engineered plastics, offering a unique blend of strength, lightness, and durability. Its versatility allows it to serve diverse applications across multiple sectors, driving innovation and efficiency in product design.
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.
- Lightweight Design: Despite its enhanced strength, PP LGF40 remains relatively lightweight, offering an attractive alternative to metals in weight-sensitive applications like automotive parts and aerospace components.
- Chemical Resistance: Polypropylene itself is highly resistant to acids, bases, and solvents, and this property is retained even after reinforcement with glass fibers. As a result, PP LGF40 can withstand harsh environmental conditions without degradation.
- Thermal Performance: PP LGF40 demonstrates improved heat deflection temperature (HDT), allowing it to perform well at elevated temperatures. This makes it suitable for applications involving thermal exposure.
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
Construction Materials
- Ideal for roofing tiles, flooring systems, and other load-bearing structures requiring both strength and durability.
Consumer Goods
- Applied in luggage shells, sports equipment, and furniture where aesthetics meet functionality.
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Aerospace & Defense
Utilized in non-critical structural components where reduced weight and enhanced strength are crucial.
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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