What is PP LGF50?
Optimized Fiber-Matrix Architecture
- PP LGF50 represents a step-up in long fiber reinforced thermoplastic technology, featuring a 50% loading of long glass fibers within a polypropylene matrix. This carefully engineered composition results in a structural composite that excels in delivering heightened stiffness and strength without compromising on lightweight characteristics. The intricate interplay between the long glass fibers and the polypropylene base creates a synergistic effect, yielding a material that surpasses conventional reinforced plastics in demanding applications. PP LGF50's advanced architecture makes it a pivotal material for industries seeking to push the boundaries of performance and durability in their products.
The Power of 50% Long Glass Fiber:
- Superior Mechanical Performance: The increased long glass fiber content (50%) in PP LGF50 translates to even greater tensile strength, an elevated flexural modulus, and enhanced resistance to impact. This makes it particularly well-suited for critical structural components requiring exceptional load-bearing capabilities and long-term reliability under stress.
- Enhanced Stiffness and Rigidity: The higher fiber loading significantly boosts the material's stiffness, minimizing deflection and deformation in demanding applications. This is crucial for maintaining precise geometries and ensuring functional integrity in large-scale parts.
- Excellent Dimensional Stability Under Load: The dense network of long glass fibers provides exceptional resistance to creep and deformation over time, ensuring that components maintain their intended shape and performance characteristics even under sustained loads and varying environmental conditions.
- Optimized Thermal Behavior: PP LGF50 exhibits an improved heat deflection temperature compared to lower fiber content LFT PP, allowing for reliable performance in applications with moderately elevated operating temperatures. This enhanced thermal stability broadens its applicability across various industrial sectors.
Verified Material Properties
| Property | LFT-G® PP LGF50 | PA6-GF35 | PBT-GF30 | Test Method |
|---|---|---|---|---|
| Tensile Strength | 148 MPa | 135 MPa | 115 MPa | ISO 527 |
| Flexural Modulus | 9.8 GPa | 5.0 GPa | 5.8 GPa | ISO 178 |
| Charpy Impact (Notched) | 48 kJ/m² | 40 kJ/m² | 32 kJ/m² | ISO 179 |
| HDT @1.8MPa | 158°C | 215°C | 160°C | ISO 75 |
| Density | 1.32 g/cm³ | 1.35 g/cm³ | 1.45 g/cm³ | ISO 1183 |
-
successful cases
Elevating Performance Across Industries

Automotive Innovation
Ideal for demanding automotive structural applications such as bumper beams, instrument panel supports, and door modules where enhanced stiffness and impact resistance are paramount.

Advanced Energy Solutions
- Provides exceptional structural integrity and dimensional stability for EV battery trays, ensuring long-term performance and safety across a wide temperature range.

Heavy-Duty Industrial Applications
Ideal for housings and structural components in industrial machinery that require high strength, stiffness, and resistance to demanding operational stresses.

High-Performance Sporting Goods
Suitable for applications in sporting equipment where a high strength-to-weight ratio and excellent durability are essential for performance and safety.
Optimized Processing Recommendations
Key Injection Molding Parameters
| Parameter | Recommended Range | Impact on Material |
|---|---|---|
| Melt Temperature | 250-290°C | Ensures proper melt flow and fiber integrity |
| Injection Speed | 70-110mm/s | Optimizes fiber orientation and part filling |
| Holding Pressure | 65-85% IP |
Minimizes shrinkage and warpage for dimensional accuracy |
Download PP LGF50 Technical Data Sheet PDF
Hot Tags: lft-g® pp lgf50 structural composite-enhanced stiffness & strength lft solution, China, manufacturers, suppliers, factory, buy, customized

