Destillate (Erdöl), tonbehandelte leichte naphthenhaltige; Grundöl — nicht spezifiziert ###>Distillates (petroleum), clay-treated light naphthenic; Base oil — unspecified (A complex combination of hydrocarbons resulting from treatment of a petroleum fraction with natural or modified clay in either a contacting or percolation process to remove the trace amounts of polar compounds and impurities present.