UV Resistant 40% Long Glass Fiber Nylon 66 (LFT-PA66-LGF40-UV)
This is structural performance engineered for the elements. Our LFT-PA66-LGF40-UV grade takes the exceptional strength of a 40% LGF PA66 composite and combines it with a sophisticated UV stabilization system. The result is a material that not only carries heavy loads but also withstands years of sun exposure without degrading. In short, this page details an engineering solution built for outdoor durability (LFT-PA66-LGF40-UV) - blending the high structural performance of 40% long fiber with excellent UV and weather resistance for demanding exterior auto parts and outdoor industrial goods.
Key Questions Answered:
What is PA66 GF40?
It is a high-strength composite, but standard grades can degrade under sunlight. Our LFT-PA66-LGF40-UV is a UV resistance grade designed for outdoor auto parts, maintaining its performance and appearance over the long term.
Why is UV Resistance crucial for exterior parts?
UV radiation breaks down the polymer chains in standard plastics, leading to color fading, chalking, and embrittlement, which causes mechanical failure. A UV-stabilized material resists this degradation, ensuring long-term durability and aesthetic appeal.
Performance Over Time: The UV Resistance Advantage
Standard LFT PA66 LGF40 (Without UV Protection)
LFT-PA66-LGF40-UV (With Advanced UV Protection)
Conclusion: While standard materials degrade under sun exposure, our UV grade is engineered to maintain its structural integrity and aesthetic appearance for the design life of the vehicle.
Case Study: Automotive Roof Rack Side Rails
The Challenge
An OEM was designing a new SUV with prominent, structurally integrated roof rack side rails. The material needed to be strong and stiff enough to handle heavy loads and wind forces, replacing a heavier extruded aluminum profile. Critically, as a highly visible, permanently exposed Class-A exterior component, it had to resist years of intense sunlight, heat, and weather across all global climates without fading, chalking, or becoming brittle.
The Solution: LFT-PA66-LGF40-UV
Our UV-resistant grade was the ideal solution. The 40% long glass fiber core provided the mechanical performance to exceed the OEM's load-bearing requirements. The advanced UV stabilization package, tested against rigorous accelerated weathering standards like SAE J2527, ensured long-term color stability and property retention. The result was a lightweight, durable, and aesthetically pleasing side rail that could be molded in color, reducing the need for costly painting operations.
Result: A 40% lighter roof rail that passed all load and 5-year accelerated weathering tests, with a 25% reduction in total manufacturing cost.
Technical Specifications (Grade: LFT-PA66-LGF40-UV)
Typical values for our UV Resistant Grade, designed for long-term outdoor performance.
| Property | Test Method | Value (DAM) |
|---|---|---|
| Density | ISO 1183 | 1.46 g/cm³ |
| Tensile Modulus | ISO 527 | 13,500 MPa |
| Tensile Strength | ISO 527 | 210 MPa |
| Notched Izod Impact (23°C) | ISO 180 | ~45 kJ/m² |
| Heat Deflection Temp (1.8 MPa) | ISO 75 | 252 °C |
| Accelerated Weathering (2500 kJ/m²) | SAE J2527 | Pass (ΔE < 3.0) |
Download Complete LFT PA66 GF40-UV Data Sheet PDF
Application Spotlights: Built to Last Outdoors
Automotive Mirror Housings & Cowl Grilles
For exterior parts that must be both structural and aesthetic, resisting everything from sunlight to car washes.
- Required Properties: Excellent UV & color stability, high stiffness to prevent vibration, Class-A surface potential.
- How Our Material Excels: The advanced UV package ensures a lasting, deep black finish, while the 40% LGF core provides outstanding rigidity for stable, vibration-free mirror performance.
Agricultural & Construction Equipment
For exterior body panels, housings, and structural components on vehicles that spend their entire lives working outdoors.
- Required Properties: Long-term weatherability, high impact resistance, chemical resistance to fuels and oils.
- How Our Material Excels: It resists becoming brittle or fading over years of sun and weather exposure, maintaining both the appearance and the structural integrity of the equipment.
Engineer for Lasting Impressions
Your design deserves to look as good in five years as it does on day one. Choose the proven outdoor durability of LFT-PA66-LGF40-UV. Contact our team to build components that withstand the test of time and the elements.
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