Gutera ifu, bizwi kandi ko bifata ifu, ni uburyo bushya bwo gutwika bwateye imbere vuba mumyaka mirongo ishize.Ibikoresho bibisi bikoreshwa ni ifu ya plastike.Ipitingi irashobora kubona umubyimba mwinshi, nko gutwikira 100 ~ 300μm, hamwe na rusange rusange ya solvent, inshuro zigera kuri 4 ~ 6, kandi hamwe nifu yifu imwe irashobora kugera kububyimbye.Igifuniko gifite imbaraga zo kurwanya ruswa.Ifu ya poro ntabwo irimo ibishishwa, kandi ntabwo ihumanya imyanda itatu.Gukoresha ifu ya electrostatike itera nibindi bikorwa bishya, gukora neza, bikwiranye no gutwikira umurongo byikora;Igipimo kinini cyo gukoresha ifu, gishobora gukoreshwa.