Provided is a resin composition for an anti-dust sliding member, wherein said resin composition exhibits a superior anti-friction/abrasion property and does not generate a large amount of noise when being slid, even in an environment in which dust such as sand or the like and moisture are present. Provided is a resin composition for an anti-dust sliding member, wherein said resin composition contains, with respect to 100 parts by mass of a polyacetal resin: 0.5-5.0 parts by mass of a lubricant that is formed of at least one substance selected from a group consisting of ethylene/α-olefin copolymers, poly α-olefins, and silicones and that is liquid at 25ºC; and 0.1-30 parts by mass of an inorganic filler.
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