ELECTRICAL TRACKING RESISTANCE COMPOSITIONS, ARTICLES FORMED THEREFROM, AND METHODS OF MANUFACTURE THEREOF

摘要

A composition comprises, based on the total weight of the composition, 25 wt% to 50 wt% of a polyetherimide; and 50 wt% to 75 wt% of a polyphthalamide; wherein the composition has a number of drops to tracking at 250 volts of greater than or equal to 50 drops determined according to ASTM D-3638-85.