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Help CenterLeona FR370 PA66 Resin for EV Battery Components, V-0 Flame Rating, Halogen-Free
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Suzhou Yifuhui New Material Co., Ltd. is a dynamic supplier of advanced engineering plastics, based in Suzhou, Jiangsu, China. Since our establishment in 2020, we have focused on delivering reliable polymer solutions to a broad range of industrial clients, with annual export value ranging from US$10 million to US$50 million. Today, we are proud to introduce Leona FR370 PA66 Resin, a high-performance material designed specifically for EV battery components. This grade offers a V-0 flame rating, a halogen-free formulation, and the proven mechanical resilience of polyamide 66, making it a solid choice for manufacturers looking to balance safety, performance, and environmental responsibility.
Leona FR370 is a speciality polyamide (PA66) resin engineered to meet the challenging requirements of electric vehicle battery systems. In a battery pack, every component must withstand heat, maintain structural integrity, and reduce the risk of fire propagation. Leona FR370 addresses these needs head-on. Its V-0 self-extinguishing behavior means that once the ignition source is removed, the material stops burning quickly, which can help limit the spread of flames in critical applications. And because it is halogen-free, it avoids the corrosive and toxic smoke often associated with traditional brominated flame retardants, improving safety for passengers and maintenance personnel.
Key features of Leona FR370 include:
- V-0 flame rating: Strict flame retardancy performance, suitable for safety-critical EV parts.
- Halogen-free design: Reduces toxic gas emission and supports greener electronic and vehicle components.
- High heat resistance: PA66 backbone provides good thermal performance for under-hood and battery area conditions.
- Excellent mechanical properties: Offers stiffness, strength, and impact resistance for durable parts.
- Good electrical insulation: Supports safe operation of battery housings, connectors, and separators.
- Chemical resistance: Resists common automotive fluids, oils, and greases.
- Processability: Designed for injection molding, allowing complex geometry and high-volume production.
- Customizable colors: Natural, black, or tailored colors available upon request.
Leona FR370 has been formulated with an advanced heat stabilization package, which is crucial for automotive applications where ambient temperatures can rise significantly. In the confined space of a battery pack, components are not only exposed to heat from the cells but also to potential short-circuit events. The V-0 flame rating provides a reliable barrier, while the halogen-free system means that in a rare fire event, smoke emissions are less likely to obscure escape routes or produce highly corrosive gases that damage equipment. This material thus contributes to both passive safety and lower environmental impact.
For manufacturers, processability is a key consideration. This resin exhibits good melt stability and permits a wide processing window, enabling the production of complex parts such as battery end plates, connectors, and housing frames. Because PA66 has a relatively fast crystallization rate, cycle times can be optimized, supporting cost-effective high-volume production. The material also demonstrates low warpage, which is essential for dimensional precision in assembly with metal busbars and electronic control modules.
The table below highlights the general specifications of Leona FR370:
| Property | Value |
| Base Resin | PA66 (Polyamide 66) |
| Flame Rating | V-0 (self-extinguishing) |
| Halogen Content | Halogen-free |
| Application Focus | EV battery components |
| Processing Method | Injection molding |
| Form | Resin pellets |
| Color | Natural / Black / Customized |
| Packaging | Standard export packing (25 kg bags, cartons, or as requested) |
By choosing Leona FR370, you gain a material that supports the demanding safety and durability expectations of the EV industry. The combination of V-0 flame rating and halogen-free chemistry helps you meet regulatory and OEM requirements, while reducing potential environmental liabilities. Its good melt flow and stability during injection molding can improve production efficiency, lower scrap rates, and allow for thin-wall designs without sacrificing performance. Whether you are designing battery holders, busbar frames, or high-voltage connectors, this resin provides a dependable foundation for safe and reliable products.
Suzhou Yifuhui New Material Co., Ltd. is a specialized trading company with deep sourcing and quality control experience. We ship globally from Shanghai, Ningbo, and Qingdao ports, covering markets in North America, South America, Europe, Southeast Asia, Africa, Oceania, the Middle East, and across Asia. Our team provides responsive communication, reliable logistics, and flexible sample programs. With an annual export value in the range of US$10 million to US$50 million, we have built stable relationships with suppliers and logistics partners, ensuring that your orders are handled with professional care. We invite you to contact us for technical specifications, sample availability, or a quotation for your next EV battery component project.
Frequently Asked Questions
Q1: Can Leona FR370 be used for products other than EV battery components?
Yes, this PA66 resin can also be used for other electrical, automotive, and industrial parts that require flame retardancy and halogen-free performance. However, always evaluate your specific application requirements and contact us for more detailed technical guidance.
Q2: Is Leona FR370 suitable for injection molding?
Absolutely. It is designed for standard injection molding processes, with good flow and dimensional stability. Recommended processing parameters are available as a technical data sheet upon request.
Q3: What colors are available?
The resin is commonly supplied in natural and black. Custom color matching can be arranged upon request, depending on order volume and lead time.
Q4: How does the V-0 rating benefit EV battery safety?
The V-0 rating means that the material self-extinguishes within a short time after flame removal. This can reduce flame spread in battery components, providing more time for occupants to exit and limiting damage to surrounding parts.
Q5: Will the halogen-free formulation affect mechanical strength?
The halogen-free flame retardant system is designed to maintain balanced mechanical properties. Actual performance can vary with part design and processing conditions, but tensile strength, stiffness, and impact resistance are typically suitable for structural battery components.
Q6: Can samples be provided for testing?
Yes, we offer sample quantities for testing and evaluation. Please contact our sales team with your application details and packaging requirements.
Q7: What kind of packaging does the resin use?
Standard packaging includes 25 kg moisture-proof bags, which help preserve the low moisture content of PA66. Large orders can be shipped in bulk bags according to your logistics plan.
Q8: How do I request the technical datasheet or MSDS?
You can request the technical datasheet and safety documentation directly from Suzhou Yifuhui New Material Co., Ltd. Our team will provide the latest versions before shipment.
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