▎ 摘　　要

NOVELTY - Composition comprises: (A) an ethylene-based polymer; (B) 5-65 wt.% metal hydroxide particles; and (C) 0.5-10 wt.% graphene nanoflakes having (i) 1-20 layers and (ii) a surface area of greater than or equal to 50 m2/g. USE - The composition is useful in coated conductor (claimed). ADVANTAGE - The composition has a thermal conductivity of greater than or equal to 0.4 W/m/K and alternating current breakdown strength of 36 kV/mm. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a coated conductor (10) comprising a non-metal conductor, a coating on the non-metal conductor, where the coating comprises the composition. DESCRIPTION OF DRAWING(S) - The figure shows a cross-sectional view of the coated conductor. First non-metal strength member (1) Buffer tubes (3) Insulation layer (5) Optical fibers (8) Coated conductor (10)