Lebur yumbura mai lebur shine madaidaicin kayan tacewa da aka yi da alumina, zirconia, titanium oxide da sauran kayan inorganic wanda aka sintera a babban zafin jiki.Layer ɗin tallafi, shimfiɗaɗɗen miƙa mulki da layin rabuwa tsari ne mai ƙyalƙyali kuma an rarraba shi cikin asymmetry na gradient.Flat yumbu membranes za a iya amfani da a cikin matakai don rabuwa, bayani, tsarkakewa, maida hankali, haifuwa, desalination, da dai sauransu.