The Apex of Rigidity: High-Performance 60% Long Glass Fiber Nylon 6 (PA6-HLGF60)
First, what is PA6 GF60?
PA6 GF60 is an extreme performance composite, known for its ultimate stiffness and strength derived from a 60% glass fiber loading, engineered for metal replacement. Our High-Performance Grade (PA6-HLGF60) pushes this to the absolute limit, enhancing key mechanical properties by an additional 5-10% to create an uncompromising "king of rigidity".
This is our ultimate stiffness compound, formulated for applications where deflection is not an option. PA6-HLGF60 offers the highest rigidity and dimensional stability in the PA6 family, making it the definitive choice for precision industrial equipment and critical structural components.
The Performance Tier System: A Clear Hierarchy
★ APEX TIER: PA6-HLGF60
The ultimate choice for maximum rigidity, precision, and critical applications.
HIGH-PERFORMANCE TIER: Standard LFT PA6 LGF50/LGF60
Excellent strength and stiffness for direct metal replacement.
ENGINEERING TIER: LFT PA6 LGF30 / LGF40
The versatile workhorses for a wide range of structural parts.
STANDARD TIER: Unfilled & Short-Fiber Plastics
For general-purpose and non-structural applications.
Technical Specifications (Grade: PA6-HLGF60)
Typical values for our high-performance grade, demonstrating a 5-10% enhancement over standard LFT PA6 GF60.
| Property | Test Method | Metric (DAM) | Metric (COND) |
|---|---|---|---|
| Density | ISO 1183 | 1.64 g/cm³ | 1.61 g/cm³ |
| Tensile Modulus | ISO 527 | 209,400 MPa | 14,000 MPa |
| Tensile Strength | ISO 527 | 293 MPa | 160 MPa |
| Notched Izod Impact (23°C) | ISO 180 | 52 kJ/m² | 55 kJ/m² |
| Heat Deflection Temp (1.8 MPa) | ISO 75 | 210 °C | - |
Download Complete LFT PA6 H LGF60 Data Sheet PDF
Applications Where Rigidity is King

Precision Machinery
Structural frames for CNC machines, 3D printers, and metrology equipment where vibration damping and stability are critical.
Aerospace & Defense
Chassis for heavy-lift drones, satellite structural brackets, and defense equipment requiring maximum stiffness-to-weight ratio.

High-Performance Automotive
Structural reinforcements in hypercars, chassis components for motorsport, and parts where eliminating flex is paramount.
Frequently Asked Questions
Q: What is the main trade-off for the extreme stiffness of PA6-HLGF60?
A: The primary trade-off is reduced impact strength compared to lower glass-filled grades like LGF30 or LGF40. While still incredibly tough for a material this stiff, it is engineered for rigidity-critical applications, not impact-critical ones. There is also a higher material density and more challenging melt flow during processing.
Q: How does the surface finish of a 60% LGF part compare to others?
A: Due to the extremely high fiber content, achieving a glossy, resin-rich "Class A" surface is challenging. The surface will typically have a matte finish with visible fiber texture. For applications requiring aesthetic surfaces, post-processing steps like painting are recommended. The primary value of this material is its bulk structural performance, not its surface appearance.
Define the Limits of Performance
When your design requires the absolute pinnacle of stiffness and precision, there is no substitute. Partner with our engineering team to deploy the uncompromising rigidity of PA6-HLGF60 and create what was never before possible.
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