
LFT-G®PP GF30: Advanced 30% Long Glass Fiber Reinforced Polypropylene
Unlock a new echelon of material performance with our state-of-the-art LFT-G®PP GF30, a premier polypropylene composite meticulously reinforced with 30% long glass fibers by weight,or name PP LGF30. This advanced material is specifically engineered for applications demanding an exceptional synergy of high impact resistance, significantly enhanced stiffness, and excellent long-term dimensional stability. PP LGF30 stands as a superior, lightweight, and cost-effective alternative to traditional engineering materials such as die-cast metals (aluminum, zinc) or other underperforming plastics, offering unparalleled design freedom and processing efficiency for complex components across diverse industries.
Whether you are developing robust automotive components, durable industrial equipment, or high-performance consumer goods, our PP LGF30 provides the mechanical integrity and manufacturing advantages necessary to innovate and excel in competitive markets.
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Defining PP GF30: The Long Fiber Advantage in Polypropylene Compounds
LFT-G® PP GF30 is a sophisticated thermoplastic composite, created by strategically compounding a polypropylene (PP) homo polymer or copolymer resin with precisely 30% (by weight) long glass fibers. These fibers typically measure 10mm or more in length *after* compounding and molding, a critical distinction from short glass fiber (SGF) or milled fiber reinforcements. During the pultrusion or wire-coating compounding process, individual glass fiber rovings are thoroughly impregnated with the molten PP matrix, ensuring optimal fiber wetting and adhesion. This robust interface is crucial for effective stress transfer from the polymer to the reinforcing fibers.
The "long fiber" aspect is paramount. When parts are injection molded from PP LGF30, these long fibers tend to orient themselves within the melt flow, forming an intricate, interlocked three-dimensional skeletal structure within the finished component. This internal fiber network acts as a highly efficient load-bearing framework, distributing stresses over a larger area and preventing localized failures. This is fundamentally different from SGF-reinforced plastics, where shorter, less entangled fibers offer more limited reinforcement capabilities, primarily at the fiber-matrix interface. The result with LGF is a material that bridges the gap between conventional plastics and metals.

Core Advantages of PP LGF30 Long Glass Fiber Polypropylene
1. Exceptional Impact Resistance (Toughness)
PP LGF30 exhibits significantly higher notched and unnotched Izod impact strength compared to SGF PP and unreinforced PP, particularly at sub-zero temperatures. The long fiber network effectively absorbs and dissipates impact energy, preventing catastrophic failures and ensuring component integrity even under sudden shocks or dynamic loads. This makes it ideal for automotive crash components, power tool housings, and safety equipment.
2. Excellent Strength-to-Weight Ratio
With a typical density around 1.10-1.12 g/cm³, PP LGF30 offers substantial tensile and flexural strength without the weight penalty of metals like steel or aluminum. This high strength-to-weight ratio is critical for lightweighting initiatives in transportation (improving fuel efficiency, reducing emissions) and for creating portable, ergonomic industrial and consumer products.
3. Enhanced Stiffness & Creep Resistance
The interconnected LGF structure provides remarkable stiffness (flexural modulus) and significantly improved resistance to creep (deformation under sustained load over time), especially at elevated temperatures. This ensures that PP LGF30 components maintain their structural integrity and dimensional accuracy throughout their service life, vital for load-bearing applications and parts under constant stress.
4. Improved Dimensional Stability & Low Warpage
PP LGF30 exhibits lower and more uniform mold shrinkage compared to SGF counterparts, leading to reduced warpage and better dimensional consistency in complex, tight-tolerance parts. This isotropic shrinkage behavior simplifies mold design, improves manufacturing yields, and ensures reliable assembly of finished components. The material's ability to hold precise dimensions is crucial for intricate designs in electronics, automotive, and appliance sectors.
PP LGF30: Technical Material Properties
| Property |
Typical Value Range |
Unit |
Test Standard |
| Mechanical Properties |
LFT-G® PP GF30 |
|
| Density |
1.10 - 1.12 |
g/cm³ |
ISO 1183 |
| Tensile Modulus |
6,500 - 8,500 |
MPa |
ISO 527-1/-2 |
| Tensile Strength (at yield or break) |
110-135 |
MPa |
ISO 527-1/-2 |
| Tensile Elongation at Break |
1.5-2.5 |
% |
ISO 527-1/-2 |
| Flexural Modulus |
6,000 - 8,000 |
MPa |
ISO 178 |
| Flexural Strength |
160 - 220 |
MPa |
ISO 178 |
| Notched Izod Impact Strength (23°C) |
25 - 55 |
kJ/m² |
ISO 180/1A |
| |
|
|
|
| Thermal Properties |
| Heat Deflection Temperature (HDT A) @ 1.8 MPa |
145 - 160 |
°C |
ISO 75-1/-2 |
| Melt Flow Rate (MFR) |
45 - 67 |
g/10 min |
ISO 1133 (230°C/2.16kg) |
| Other Properties |
| Glass Fiber Content (Nominal) |
30 |
% |
By Weight |
| Linear Mold Shrinkage (Flow Direction) |
0.2 - 0.4 |
% |
ISO 294-4 |
| Linear Mold Shrinkage (Transverse Direction) |
0.1 - 0.3 |
% |
ISO 294-4 |
| Flammability Rating (Typical for PP LGF) |
HB (Can be V-2, V1,V0) |
Rating |
UL94 (at 2.0mm)
|
Disclaimer: The data represents our LFT-G® typical values for 30% Long Glass Fiber Reinforced Polypropylene (PP LGF30). Actual properties can vary significantly based on specific product grade, colorants, additives, processing conditions, and part design. Always consult the certified Technical Data Sheet (TDS) for your chosen grade from LFT-G® technical team before finalizing any design or specification. For critical applications, thorough testing of molded parts under end-use conditions is strongly recommended.
Download Complete LFT PP LGF30 Data Sheet PDF
Transforming Industries: Key Applications of PP LGF30 Compounds
The unique combination of strength, toughness, low density, and processability makes PP LGF30 an incredibly versatile material, driving innovation across numerous sectors. Its ability to replace heavier, more expensive materials like metal or higher-cost engineering thermoplastics opens up new possibilities for design optimization and cost reduction.

Automotive Sector
PP LGF30 is extensively used for structural and semi-structural automotive parts. Examples include front-end modules, instrument panel carriers, door module assemblies, seat structures, battery trays, under-hood components (e.g., fan shrouds, engine covers), and spare wheel wells. Key benefits are significant weight reduction (boosting fuel efficiency and EV range), excellent crash performance due to high energy absorption, resistance to automotive fluids, and consolidation of parts, reducing assembly complexity and cost. Its dimensional stability ensures precise fitment of complex assemblies.

Industrial Equipment & Machinery
In the industrial realm, PP LGF30 creates durable housings for pumps and motors, robust fan blades, conveyor system components, power tool casings, and load-bearing elements in machinery. Its chemical resistance to oils, greases, and many industrial solvents, combined with excellent fatigue and creep resistance, ensures long service life in demanding operational environments. The material's vibration damping characteristics can also be beneficial.
Your Premier Partner for PP LGF30 Long Glass Fiber Polypropylene Solutions
Choosing LFT-G® for your PP LGF30 requirements means partnering with a leader in long fiber thermoplastic technology. We are dedicated to providing not just superior materials, but also comprehensive support to ensure your project's success from concept to commercialization.
- Uncompromising Quality & Consistency
- Custom Compounding Expertise
- Dedicated Technical & Design Support
- Global Reach & Reliable Supply
- Commitment to Sustainability
Ready to Elevate Your Product with High-Performance PP LGF30?
Let's collaborate! Discover how LFT-G®s advanced PP GF30 long glass fiber polypropylene materials can bring unparalleled strength, durability, and light weighting advantages to your next project. Our team of experts is eager to understand your specific challenges and provide tailored solutions.
DOWNLOAD TECHNICAL DATASHEET
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