abstract |
A composition comprises, based on the total weight of the composition, 40 to 80 wt% of a polyetherimide; 10 to 50 wt% of talc; and 1 to 15 wt% of a polymer additive comprising a polyphthalamide, a poly(siloxane-etherimide) copolymer, aliphatic polyamide, or a combination comprising at least one of the foregoing; 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. |