LGF30 HDPE is a high-performance 30% long glass fiber reinforced HDPE engineered for structural and industrial-grade applications. By integrating long glass fibers into a high-density polyethylene matrix, this advanced long glass fiber reinforced HDPE compound delivers significantly improved stiffness, impact resistance, and creep resistance compared with conventional HDPE resin or short glass fiber reinforced materials.
What Is LGF30 HDPE?
LGF30 HDPE is a 30% long glass fiber reinforced polyethylene composite produced using long fiber compounding technology. Unlike short fiber reinforced materials, the long glass fibers (typically retained in millimeter-scale length after molding) form a stronger internal fiber network within the polymer matrix.
Compared with conventional GF30 HDPE:
Better impact resistance
Higher energy absorption
Improved fatigue resistance
Superior structural integrity
Reduced crack propagation
This makes LGF30 HDPE compound particularly suitable for dynamic load applications and large structural parts.
Mechanical Performance of LGF30 HDPE
With 30% long glass fiber reinforcement, LGF30 HDPE material demonstrates excellent mechanical performance compared with virgin HDPE or even GF30 short fiber grades.
The high fiber content ensures that this high strength HDPE plastic delivers:
Outstanding rigidity for structural components
Improved load-bearing capability
Reduced long-term creep deformation
Better dimensional stability under stress
For manufacturers requiring structural HDPE plastic that maintains performance under continuous load, LGF30 HDPE offers a reliable and cost-effective solution.
Impact Resistance & Toughness
One of the defining characteristics of long glass fiber reinforced HDPE is its superior impact strength. The retained fiber length allows the material to absorb and dissipate energy more effectively than short fiber systems.
The toughness of this HDPE composite material significantly reduces the risk of brittle fracture.
Thermal & Dimensional Stability
Although HDPE is not classified as a high-temperature engineering polymer, LGF30 HDPE improves thermal resistance and dimensional stability compared with unreinforced polyethylene.
The long glass fibers reduce:
Mold shrinkage variation
Warpage during injection molding
Thermal expansion under heat exposure
Post-molding deformation
Chemical Resistance & Environmental Durability
Like all high-density polyethylene materials, LGF30 HDPE composite retains excellent resistance to:
Acids and alkalis
Industrial chemicals
Moisture and humidity
Saltwater environments
The combination of chemical resistance and mechanical reinforcement makes this reinforced HDPE material suitable for chemical processing systems, wastewater treatment equipment, and outdoor infrastructure.
UV-stabilized grades of long glass fiber reinforced HDPE are available for prolonged outdoor use.
Typical Technical Data
| Property Typical Value Test Standard |
|---|
|
Specific Gravity
|
1.10-1.50 |
g/cm³
|
ASTM D-792
|
|
Tensile Strength
|
110-130 |
MPa
|
ASTM D-638
|
|
Tensile Modulus
|
8400-8500 |
MPa
|
ASTM D-638
|
|
Flexural Strength
|
110-130 |
MPa
|
ASTM D-790
|
|
Flexural Modulus
|
6250-6350 |
MPa
|
ASTM D-790
|
|
Deflection Temperature
@ 264 psi (1820 kPa)
|
/ |
°C
|
ASTM D-648
|
Application Range
As a premium HDPE composite material, LGF30 HDPE is designed for manufacturers seeking a high strength HDPE plastic solution for demanding injection molding applications. The combination of long fiber reinforcement and the inherent chemical resistance of polyethylene makes this engineering HDPE material ideal for load-bearing plastic structures, industrial housings, and lightweight metal replacement components.
Industrial Structural Components
Equipment support brackets
Machinery housings
Structural frames
Heavy-duty covers
Automotive & Transportation Applications
Seat support components
Battery module brackets
Underbody protection panels
Agricultural & Outdoor Equipment
Fertilizer system housings
Irrigation structural components
Outdoor machinery panels
Why Choose Our LGF30 HDPE?
Our LGF30 HDPE engineering compound offers:
Advanced long fiber compounding technology
Stable 30% glass fiber content
Consistent mechanical performance
Industrial-scale production capacity
Reliable global supply
As a professional manufacturer of long glass fiber reinforced HDPE composite material, we provide complete technical support, including TDS, MSDS, and application evaluation.
Have Any Questions About Our Material
If you need more information regarding the optimization of LGF30 HDPE injection molding process, suggestions for mold design, or support for material selection, please feel free to contact us to obtain detailed technical materials and sample testing services.
Precise laboratory data support
Professional technical experts' suggestions and recommendations
Is LGF30 HDPE suitable for high-load structural components?
Yes. The 30% long glass fiber reinforcement significantly enhances the bending modulus, tensile strength and creep resistance, making it suitable for semi-structural components and medium-load supporting parts. However, it is not recommended to replace high-strength metal load-bearing structures.
How to protect the length of long glass fibers during injection molding?
To maintain the long-fiber structure of LGF30 HDPE, the following measures should be taken:
Control the rotational speed of the screw (to avoid high shear)
Using a low shear screw design
Optimize the gate structure
Excessive shear force will shorten the fiber length, thereby reducing the impact strength.
Is LGF30 HDPE suitable for making large-scale injection molded parts?
It is highly suitable. Its dimensional stability and anti-buckling ability are superior to un-strengthened HDPE, and it is applicable to large structural shells, supports, and industrial enclosures.
Can the fire-retardant or UV-resistant level be customized?
Sure. LGF30 HDPE can be modified with UV stabilization, flame retardancy or impact enhancement according to application requirements, to meet the needs of outdoor or special environments.
LGF30 HDPE is a high-performance 30% long glass fiber reinforced HDPE material designed for structural injection molding and industrial applications. By combining the chemical resistance of polyethylene with the superior toughness of long glass fiber reinforcement, this HDPE composite material offers a balanced solution in strength, durability, and cost efficiency.
For manufacturers seeking high strength HDPE plastic, reinforced polyethylene compound, or long fiber HDPE material for demanding structural parts, LGF30 HDPE delivers reliable and scalable performance.
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