フッ素そ系けい界かい面めん活かっ性せい剤ざいMeaningsNoun1. fluorochemical surfactant; fluorine-based surfactantKanji used素elementary系lineage界realm面surface活activity性nature (of a person)剤chemical substanceComposed ofフッ素そfluorine (F)Noun系けいsystem; lineage; group; corollary; system (range of strata that correspond to a particular time period); (taxonomical) seriesNoun界かい面めんinterfaceNoun活かっ性せいactivity; activeNoun剤ざいmedicine; agent; (chemical) substance; drug; doseSuffix