| Source | Target | | fibre strip | Faserband |
| fibre tip, fibre end, fibre extremity | Faserspitze |
| fibre tuft | Faserbart |
| fibrilating | Fibrillieren |
| fibrous material, spinning material | Spinnflüssigkeit |
| filament | Filament |
| filament cloth, filament fabric | Filamentgewebe |
| filament yarn | Endlosgarn |
| filling agent | Füllstoff |
| filter cloth | Filtergewebe |
| filter cloth, filter fabric | Filtertuch, der Filterstoff |
| filter press | Filterkerze |
| finance | Finanzwesen |
| financial year | Geschäftsjahr |
| fineness | Feinheit |
| fineness | Faserfeinheit |
| finger (reed) | Zahn |
| finish | veredeln |
| finish, apply chemical finish, improve, refine | nachbehandeln, veredeln, appretieren |
| finish, chemical finish | Appretur, Veredlung, Ausrüstung |
| finish, chemical finish, dressing | Appretur, Veredlung, Appretierung |
| finish, finish off | appretieren, veredeln |
| finisher, chemical finisher | Appreteur |
| finishing | Fertigstellung, Ausführung |
| finishing | Veredlung |
| finishing agent, chemical finishing agent | Appreturmittel, Ausrüstungsmittel |
| finishing effect | Veredlungseffekt |
| finishing padder | Appreturfoulard |
| finishing plant | Veredlungsbetrieb |
| finishing, sizing | Appretieren, Ausrüsten, Veredlen |
| fire-proof | feuerbeständig, feuerhemmend |
| fire-resistant | flammhemmend, feuerbeständig |
| first year's wool | Erstlingswolle |
| fisherman's knot | Seemannsknoten |
| fishing net | Fischnetz, Fischernetz |
| fixation machine, setting machine | Fixiermaschine |
| flame transmission, flame transfer | Flammenübertragung |
| flamed | geflammt |
| flame-retardant | flammhemmend |
| flammability | Entflammbarkeit |
| flammability test | Brennprobe |
| flanged bobbin | Scheibenspule, Randspule |
| flannel | Flanell |
| flat knitting frame, flat knitting machine | Flachstrickmaschine |
| flat knitting, plain knitting | Flachstrickerei |
| flat printing | Flachdruck, Flachfilmdruck |
| flat screen printing | Flachfilmdruck, Flachdruck |
| flax | Flachs |
| flax fibre | Flachsfaser |
| flax spinning mill | Flachsspinnerei |
| flax stem | Flachsstengel |
| flax waste | Flachsabfall |
| flax (raw material) | Leinen |
| fleece | Fleece |
| flexibility, pliability | Biegsamkeit |
| flexing resistance, bending resistance | Biegefestigkeit, Knickfestigkeit |
| float | flottieren |
| float repeat, repeat of pattern, pattern repeat | Bindungsrapport |
| floating yarn | Flottierung |
| flocculate | flocken |
