Toughened 40% Long Glass Fiber Nylon 66 (LFT-PA66-LGF40TA)
This is strength redefined with resilience. Engineered for applications where impacts are not a possibility, but a certainty. Our LFT-PA66-LGF40TA grade takes the high strength of a 40% LGF PA66 composite and infuses it with an advanced toughening system, creating a material that is both incredibly strong and exceptionally resilient. In short, this page details an engineering solution built for impact (LFT-PA66-LGF40TA) - blending the high strength of 40% long fiber with enhanced toughness for demanding automotive safety systems and durable industrial goods.
Key Questions Answered:
What is PA66 GF40?
It's a high-performance composite known for excellent strength and stiffness. However, for safety-critical auto parts, superior toughness is essential. Our Toughened Grade enhances impact performance by 5-10% while retaining high strength.
Why is Toughness critical for structural parts?
Toughness is a material's ability to absorb energy and resist fracture under impact. For structural components in vehicles or industrial equipment, high toughness prevents catastrophic brittle failure, ensuring greater safety and reliability under real-world conditions.
The Performance Balance Beam: Strength Meets Resilience
While some materials are only stiff and others are only tough, LFT-PA66-LGF40TA is engineered to deliver the optimal balance of both.
Conclusion: LFT-PA66-LGF40TA sits at the perfect equilibrium, delivering the high load-bearing capacity of a stiff composite with the energy absorption of a tough material.
Case Study: Automotive Seatbelt Retractor Housing
The Challenge
A Tier-1 automotive supplier was tasked with developing a next-generation seatbelt retractor system. The housing for the retractor mechanism is a safety-critical part. It must be incredibly strong and stiff to withstand the immense forces of the pretensioner during a crash, but it must also be exceptionally tough to absorb impact energy without shattering, especially in extreme cold-weather crash tests. The previous design used a costly and heavy die-cast zinc component.
The Solution: LFT-PA66-LGF40TA
Our toughened grade was engineered specifically for this type of challenge. Its 40% long fiber backbone provided the required high strength and stiffness, while the advanced toughening additives delivered superior notched Izod impact values, even at -40°C. This unique combination allowed the supplier to replace the heavy zinc housing with a lightweight, single-shot molded part, meeting all safety and performance targets.
Result: A 60% lighter housing that passed all crash and durability tests, simplifying assembly and significantly reducing overall system cost.
Technical Specifications (Grade: LFT-PA66-LGF40TA)
Typical values for our Toughened Grade, highlighting its exceptional impact performance.
| Property | Test Method | Metric (DAM) | Metric (COND) |
|---|---|---|---|
| Density | ISO 1183 | 1.46 g/cm³ | 1.45 g/cm³ |
| Tensile Modulus | ISO 527 | 12,600 MPa | 7,000 MPa |
| Tensile Strength | ISO 527 | 185 MPa | 135 MPa |
| Notched Izod Impact (23°C) | ISO 180 | 45-55 kJ/m² | 60 kJ/m² |
| Notched Izod Impact (-40°C) | ISO 180 | 20-34 kJ/m² | 42 kJ/m² |
| Heat Deflection Temp (1.8 MPa) | ISO 75 | 253 °C | - |
Download Complete LFT PA66 GF40 TA Data Sheet PDF
Applications Demanding Unbreakable Performance
Engineer for the Real World
Real-world conditions demand more than just static strength. They demand resilience. Equip your components with the superior toughness of LFT-PA66-LGF40TA. Contact our team to build parts that are made to last.
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