LFT-G® PP COPO GF20 Copolymer Polypropylene Material
PP LGF20NG02C – 20% Long Glass Fiber Reinforced Copolymer Polypropylene
LFT-G® PP Copo LGF20 is a cost-effective, high-performance grade, 20% long-glass-fiber-reinforced copolymer polypropylene compound designed for balanced rigidity and toughness in injection molding. It delivers excellent low warpage performance, good chemical resistance, superior heat deflection temperature, outstanding processability, and stable mechanical properties – the ideal cost-efficient material solution for automotive interior parts, home appliance housings, consumer goods, electrical components, and general industrial structural applications.
Core Performance Matrix
LFT-G® PP Copo LGF20 – Material Performance Comparison
Standard PP GF20 (65%)
LFT-G® PP COPO LGF20 (90%)
Note: Color blocks represent material performance; percentage refers to the overall comprehensive performance score.
This chart compares the performance of standard short glass fiber PP GF20 and LFT-G® PP COPO LGF20. The blue section stands for basic mechanical strength, while the orange section represents optimized performance with high rigidity and low warpage.
Compared with ordinary PP GF20, LFT-G® PP COPO LGF20 has a significantly higher comprehensive performance ratio, with better dimensional stability, stronger impact resistance, and excellent molding processability, making it more suitable for high‑demand industrial and automotive injection molding applications.
Upgraded long glass fiber structure – higher overall performance than standard GF20
Copolymer Modification – excellent rigidity with ultra-low warpage
Balanced mechanical properties – stable strength for industrial molding
Superior processability – smooth injection for complex parts
LFT-G® Injection Molding Manufacturing Process
| Parameter | Recommended Range | Key Notes for LFT-G® PP COPO LGF20 |
| Drying Temperature ① | 90 – 110 °C | Use a desiccant/dry air dryer to avoid hydrolysis |
| Drying Time ① | 3 – 4 hours | Ensure uniform moisture removal before processing |
| Melt Temperature (Nozzle) ③ | 210 – 240 °C | Avoid overheating to preserve fiber integrity |
| Mold Temperature ② | 40 – 60 °C | Balances flowability and part dimensional stability |
| Injection Speed | Slow to Moderate | Minimize fiber breakage and internal shear |
Critical Tips：
Screw: Low-compression screw to reduce fiber breakage
Gating: Generous gating for smooth material flow
LFT-G® PP GF20 (Copo) Industrial Engineering Applications
Smart Home Device Structures
Excellent rigidity and low warpage make it ideal for stable housing and internal support parts in smart controls, sensors, and connectivity devices.
New Energy Equipment Components
Good chemical resistance and dimensional stability fit for structural parts in energy storage, power connectors, and lightweight electrical assemblies.
Industrial Tool Housings
Balanced strength and toughness provide durable protection for power tool shells, handling parts, and long-service industrial accessories.
Intelligent Robot Structural Parts
High-dimensional precision and fatigue resistance suit structural components, brackets, and functional modules for lightweight robotic devices.
FAQ
Q: Is LFT-G® PP GF20(Copo)suitable for long-term industrial use?
A: LFT-G® PP GF20(Copo)performs very well in long-term industrial scenarios, thanks to its outstanding fatigue durability and stable mechanical properties. It can withstand repeated stress and frequent use without easy deformation or cracking, making it a reliable choice for industrial components that require long service life.
Q: Does LFT-G® PP GF20(Copo) help reduce product warpage effectively?
A: Yes, LFT-G® PP GF20(Copo)features excellent dimensional precision and a low shrinkage rate, which can greatly reduce warpage and deformation of molded parts. This advantage makes it especially ideal for structural parts that need tight fitting and a consistent appearance.
Q: What makes LFT-G® PP GF20(Copo) better than common PP materials?
A: Compared with ordinary PP materials, LFT-G® PP GF20(Copo) is reinforced with long glass fiber and modified by copolymer technology, which significantly improves its rigidity, impact resistance, and overall strength. It also has better processing performance and can meet the needs of high-performance parts that ordinary PP cannot support.
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