LFT-G® HDPE LGF40: 40% Long Glass Fiber Reinforced HDPE Composite
What is LFT-G® HDPE LGF40?
LFT-G® HDPE LGF40 is a high-performance thermoplastic composite built on a high-density polyethylene (HDPE) matrix reinforced with 40% long glass fibers. The continuous glass fiber network creates an interconnected 3D reinforcement skeleton inside the molded part, dramatically upgrading the load-bearing capacity, rigidity, and thermal resistance of ordinary HDPE.
The HDPE base contributes exceptional chemical inertness, near-zero moisture pickup, and outstanding low-temperature toughness, while the long glass fibers deliver high stiffness, creep resistance, and dimensional stability under continuous load. This makes LFT-G® HDPE LGF40 an ideal lightweight replacement for metal and engineering plastics in structural, outdoor, and chemical-contact applications.
Typical uses include chemical storage tanks, outdoor structural frames, marine dock components, industrial pallets, pipe supports, and water treatment equipment. The material processes smoothly on standard injection molding machines with excellent flow characteristics, enabling complex geometries and thick-wall designs.
Mechanical Properties Comparison
Note: This comparative assessment is derived from standardized test data for core material properties
This bar chart compares the key mechanical properties of the three materials. As highlighted, HDPE LGF40 delivers superior performance in tensile and flexural strength, making it the optimal choice for applications demanding high rigidity, chemical resistance, and moisture insensitivity. Its balanced profile offers a compelling alternative to both short-glass HDPE and engineering plastics.
Key Advantages of LFT-G® HDPE LGF40
Outstanding Chemical Inertness
The HDPE matrix resists a broad range of acids, bases, salts, and organic solvents, making this material highly suitable for chemical storage, fluid handling, and water treatment equipment exposed to aggressive media.
Near-Zero Moisture Absorption
HDPE does not absorb water, so parts keep their dimensions, weight, and mechanical strength in wet, humid, or submerged conditions without swelling or property loss.
High Stiffness & Load Resistance
The 40% long glass fiber network transforms soft HDPE into a rigid structural material, enabling it to carry sustained loads and resist bending, deformation, and creep in demanding service conditions.
Excellent Low-Temperature Toughness
HDPE retains impact strength at sub-zero temperatures, making this composite a reliable choice for outdoor structures, cold-climate equipment, and winter-exposed components.
Lightweight & Cost-Effective Replacement
Low density and inexpensive raw material make LFT-G® HDPE LGF40 a smart substitute for metal and higher-priced engineering plastics in large-volume production.
Smooth Processing & Design Freedom
The material flows well on standard injection equipment despite the high fiber loading, allowing complex ribbed geometries, thick sections, and excellent surface finish without special machinery.
HDPE LGF40 Material Overview
| Attribute | Specification |
| Base Resin | High-Density Polyethylene (HDPE) |
| Fiber Type | Long Glass Fiber (LGF) |
| Fiber Content | 40% |
| Color | Natural |
| Processing | Injection Molding Grade |
| Key Characteristics | High Stiffness, Chemical Resistant, Moisture Insensitive |
HDPE LGF40 Technical Data Sheet
| Property | Test Method | Value | Unit |
|
Specific Gravity
|
ASTM D-792
|
1.32 | g/cm³ |
|
Molding Shrinkage
|
ASTM D-955
|
0.2 - 0.4 %
|
/ |
|
Tensile Strength
|
ISO：527
|
136 | MPa |
|
Tensile Modulus
|
ISO：527
|
10,385 | MPa |
|
Tensile Elongation
|
ISO：527
|
2.0-3.0 %
|
/ |
|
Flexural Strength
|
GB/T 9341
|
143 | MPa |
|
Flexural Modulus
|
GB/T 9341
|
4,539
|
MPa |
|
Notched Izod Impact
|
ISO：180
|
60 |
KJ/m2
|
|
Notched Charpy Impact
|
ISO：179
|
58 |
KJ/m2
|
|
Heat Deflection Temperature (1.8 MPa)
|
ISO 75-2
|
121 | °C |
|
Flammability
|
ASTM D-635
|
HB @ 1.6 mm | / |
Download Complete HDPE LGF40 Data Sheet PDF
Performance in Practice
Chemical Storage & Fluid Handling
HDPE LGF40 is specified for chemical storage tanks, acid tanks, wastewater basins, and industrial pipe supports. The HDPE matrix resists acids, alkalis, salts, and many solvents, while the long glass fiber network provides the stiffness needed to resist deformation under hydrostatic pressure. The material does not absorb water, so dimensions and mechanical strength stay stable even after years of immersion or outdoor exposure.
Outdoor & Marine Structures
In outdoor construction and marine environments, HDPE LGF40 is used for dock fenders, pilings, boardwalk planks, retaining structures, and offshore platforms. Its resistance to moisture, salt water, UV exposure, and low-temperature embrittlement ensures long service life without the rust or corrosion problems of metal alternatives.
Industrial Equipment & Heavy-Duty Parts
HDPE LGF40 enables heavy-duty pallets, material handling bins, conveyor components, machine guards, and agricultural equipment housings. The long glass fiber reinforcement provides the stiffness and creep resistance needed for continuous load-bearing service, while the HDPE base delivers impact toughness and chemical resistance at a cost far below engineering plastics.
Request Custom Material Solutions
Hot Tags: lft-g hdpe lgf40 stiff chemical-resistant composite, China, manufacturers, suppliers, factory, buy, customized
