a scraper for a scraper chain conveyor , having a top web , on which a chain attachment region for connecting the scraper to a scraper chain is configured , and having scraper wings for guiding the scraper on side profiles and bottom of a scraper chain conveyor . in order to provide scrapers with which a higher conveying output or a reduction of the drive output to be installed can be achieved , and which also enable a worn or defective scraper to be changed below ground , it is provided according to the invention that the scraper wings consist of a holding portion anchored to the metallic top web and a plastics sliding insert which can be releasably fastened to the holding portion . for the sliding inserts and their retention , various embodiments are proposed .