NexPoint Thermoplastics Attained 900 V Tracking Rating
New resin grades enable higher voltage resistance in EV battery and AI connector components.
Updated on Sept. 23, 2026 in Materials Science
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NexPoint Materials has announced that its LEXAN BPL1000 and CYCOLOY C2950 engineering thermoplastics achieved a 900 V rating in the UL 2597 Surface Tracking Test. These materials are now validated for high-voltage applications requiring superior electrical insulation.
Why it matters
Higher voltage resistance is critical for the ongoing shift toward high-capacity electric vehicle battery systems and the miniaturization of AI data center connectors. These materials allow engineers to reduce required creepage distances while maintaining electrical safety standards.
The resins achieved a 900 V rating in the UL 2597 Surface Tracking Test, which evaluates performance across a 600 V to 900 V range. This benchmark improves upon conventional insulating requirements, complemented by the company's existing VALOX portfolio featuring a 140 °C relative thermal index.
The players
NexPoint Materials
A developer of specialized engineering thermoplastics focused on high-performance materials for the automotive and data center sectors.
The details
The UL 2597 Surface Tracking Test measures an insulating material's ability to resist the formation of a conductive path caused by electrical discharges on the surface of the plastic. By achieving a 900 V rating, these resins prevent dielectric breakdown in compact, high-power environments. This stability is essential for components like AI data center connectors, where engineers seek to shrink layouts without risking electrical arcing between closely spaced contacts.
Timeline
September 23, 2026: NexPoint announced the official test results for the LEXAN and CYCOLOY resins.
The Tech Race
This development pushes material performance to the ceiling of the existing UL 2597 Surface Tracking Test methodology. It marks an effort by NexPoint Materials to secure a competitive advantage in the race to support the next generation of high-voltage electric vehicle architectures.
These materials will first impact the design phase for automotive and data center engineers tasked with shrinking hardware footprints. Adoption will depend on manufacturers integrating these specific resin grades into their existing product assembly workflows.
The takeaway
The move to 900 V ratings signals that high-voltage insulation is now a primary constraint for hardware miniaturization. Industry observers should watch for upcoming technical specifications on the mass-market rollout of these specific grades to confirm widespread adoption in the supply chain.
Further reading
For more on evolving performance standards in industrial polymers, visit the Materials Science section.
Source note: This article includes information reported by AZoM.
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