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A Metal Replacement Star Is Born

Celanese introduced a polyamide reinforced with short glass fibers at Chinaplas this week that sets a new bar for lightweight, high-performance automotive materials.

Stephen Moore

April 26, 2024

2 Min Read
Celanese polyamide used in automotive parts
Image courtesy of Celanese

Celanese has announced global availability of its new Zytel XMP70G50 polyamide (PA) material at Chinaplas 2024, which ends its run today, April 26, in Shanghai. This innovative material is set to redefine automotive chassis and structural component design with its unmatched balance of strength, light weight, ease of processing, and fatigue resistance.

Zytel XMP70G50, a PA 66 resin reinforced with 50% short glass fibers, is tailor-made for injection molding and offers a robust solution for the evolving needs of the automotive industry. With a tensile strength of 270 MPa and a 19,000 MPa elastic modulus at 23°C (dry as molded), this material is ideally suited to replace metal in electric vehicle (EV) chassis and structural components as well as many of the same components on vehicles with internal combustion engines. Compared with other thermoplastics, it reportedly offers a significant leap forward in durability and fatigue resistance, without sacrificing mechanical strength or processability.

Transitioning to plastic-metal hybrid designs.

"Zytel XMP is not just theoretically better," said Laurent Lefebvre, automotive marketing manager. "Top-tier suppliers are already considering this material for their projects. It’s an excellent solution to enable the transition from metal to plastic-metal hybrid designs. The material offers tangible benefits, from weight reduction to cost efficiency, without compromising structural integrity. We are excited to showcase Zytel XMP at Chinaplas 2024, where industry leaders can experience its potential firsthand."

Related:EV Insights: What to Expect in 2024

A unique blend of mechanical properties and processability.

The material's unique combination of mechanical benefits and processing ease represents a significant advance for automotive component designers. Typically, the extreme mechanical properties of Zytel XMP70G50 are only possible with compounds loaded with 60% short glass fibers, which often prove difficult to process and can slow cycle times. The Zytel XMP solution allows automotive engineers to create more efficient components without sacrificing performance or manufacturability. As the industry moves toward more lightweight and energy-efficient designs, Zytel XMP70G50 stands out as a game changer.

About the Author(s)

Stephen Moore

Stephen has been with PlasticsToday and its preceding publications Modern Plastics and Injection Molding since 1992, throughout this time based in the Asia Pacific region, including stints in Japan, Australia, and his current location Singapore. His current beat focuses on automotive. Stephen is an avid folding bicycle rider, often taking his bike on overseas business trips, and a proud dachshund owner.

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