A method of forming an electrically conductive thermoplastic composition, comprising: melt blending 80 to 98 weight percent, based on the weight of the electrically conductive thermoplastic composition, of a polymer, and 2 to 20 weight percent, based on the weight of the electrically conductive thermoplastic composition, of a carbon nanotube masterbatch comprising, based on the weight of the carbon nanotube masterbatch, 10 to 40 weight percent of carbon nanotubes, and 60 to 90 weight percent of a wax having a melting point of 45 to 150°C; wherein the wax is selected from the group consisting of fatty alcohols selected from the group consisting of cetyl alcohol, stearyl alcohol, arachidyl alcohol, behenyl alcohol, lignoceryl alcohol, ceryl alcohol, montanyl alcohol, myricyl alcohol, geddyl alcohol, and combinations thereof; fatty acids selected from the group consisting of myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid, lignoceric acid, cerotic acid, montanic acid, and combinations thereof; fatty acid salts selected from the group consisting of calcium laurate, calcium stearate, calcium montanate, zinc stearate, and combinations thereof; fatty acid amides selected from the group consisting of lauramide, myristamide, palmitamide, stearamide, arachidamide, behenamide, lignoceramide, cerotamide, montanamide, erucamide, oleamide, ethylene bis(lauramide), ethylene bis(stearamide), and combinations thereof; fatty acid esters selected from the group consisting of glycerol monostearate, ethylene glycol montanate, glycerol montanate, pentaerythritol tetrastearate, trimethylolpropane tristearate, sorbitan tristearate, and combinations thereof; paraffin waxes; and combinations thereof. melt blending 80 to 98 weight percent, based on the weight of the electrically conductive thermoplastic composition, of a polymer, and 2 to 20 weight percent, based on the weight of the electrically conductive thermoplastic composition, of a carbon nanotube masterbatch comprising, based on the weight of the carbon nanotube masterbatch, 10 to 40 weight percent of carbon nanotubes, and 60 to 90 weight percent of a wax having a melting point of 45 to 150°C; wherein the wax is selected from the group consisting of fatty alcohols selected from the group consisting of cetyl alcohol, stearyl alcohol, arachidyl alcohol, behenyl alcohol, lignoceryl alcohol, ceryl alcohol, montanyl alcohol, myricyl alcohol, geddyl alcohol, and combinations thereof; fatty acids selected from the group consisting of myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid, lignoceric acid, cerotic acid, montanic acid, and combinations thereof; fatty acid salts selected from the group consisting of calcium laurate, calcium stearate, calcium montanate, zinc stearate, and combinations thereof; fatty acid amides selected from the group consisting of lauramide, myristamide, palmitamide, stearamide, arachidamide, behenamide, lignoceramide, cerotamide, montanamide, erucamide, oleamide, ethylene bis(lauramide), ethylene bis(stearamide), and combinations thereof; fatty acid esters selected from the group consisting of glycerol monostearate, ethylene glycol montanate, glycerol montanate, pentaerythritol tetrastearate, trimethylolpropane tristearate, sorbitan tristearate, and combinations thereof; paraffin waxes; and combinations thereof.