PURPOSE: To provide the titled compsn. having excellent mechanical strength and dimensional stability, consisting of an injection-moldable resin composed of a polyamide-imide and/or a polyetherimide, specified electrically conductive carbon black, natural scaly graphite and an inorg. filler.
CONSTITUTION: 35W90wt% injection-moldable resin (A) composed of at least one member selected from the group consisting of polyamide-imides and polyetherimides is blended with 0.5W3.0wt% electrically conductive carbon black (B) having DBP absorption of not lower than 400ml/100g and contg. not more than 200ppm (in total) of Ni and V, 2W18wt% natural scaly graphite (C) having an average particle size of 0.8W1.2μ and 5W40wt% inorg. filler (D) having an average particle size of not larger than 50μ, composed of at least one member selected from the group consisting of talc, mica and carbonates, sulfates, phosphates and silicates of Ca, Mg and Ba in such a proportion that the combined amount of the components B and C is 4W20wt%.
ITOU KOUJI
HIRATSUKA TORU
