Halogen-Free Flame-Retardant PPE/PA Alloy Material for Automotive Connectors
LEMALLOY™ CN51HL
Global Polyacetal Co., Ltd. (GPAC) has developed “LEMALLOY™ CN51HL”, new halogen-free flame-retardant PPE/PA alloy material suitable for automotive connectors.
Our PPE/PA alloy series “LEMALLOY™ C Series” is engineered for connector components, combining the excellent heat resistance, oil resistance, and flowability of PA with the low water absorption and high temperature properties of PPE resin. The new “LEMALLOY™ CN51HL” inherits these advantages while achieving UL 94 V-0 flame retardancy as a halogen-free grade.
With the growing adoption of electric vehicles (EVs) and plug-in hybrid electric vehicles (PHEVs), connector components increasingly require higher flame resistance to meet stringent safety and reliability demands. “LEMALLOY™ CN51HL” offers an optimal solution for automotive connectors where high flame retardancy is essential.
Features of LEMALLOY™ CN51HL
LEMALLOY™ CN51HL is a new halogen‑free UL94 V-0 flame‑retardant PPE/PA alloy grade developed on the LEMALLOY™ C series platform, which is well suited for connector applications. LEMALLOY™ CN51HL is particularly suitable for automotive connectors that require high flame retardancy and contributes to enhanced vehicle safety.
In addition to its high flame retardancy, LEMALLOY™ CN51HL exhibits excellent low water absorption. Compared with neat PA, dimensional change by water absorption is reduced to 50% or less, which contributes to superior dimensional stability in molded parts. As a non‑reinforced material, it also shows low anisotropy in dimensional change. Furthermore, LEMALLOY™ CN51HL provides high electric breakdown strength comparable to PPE/PS alloy materials and demonstrates high tracking resistance (CTI 550 V, PLC 1 equiv.).
