Yashin bakin karfe na simintin gyare-gyare sune samfuran simintin ƙarfe a cikin narkakken bakin karfe simintin simintin yashi. Bakin karfe shine takaitaccen bakin karfe da juriya acid. Ana kiransa bakin karfe wanda ke da juriya ga raunanan kafofin watsa labarai kamar iska, tururi, da ruwa. Karfe lalata ana kiransa karfe mai jurewa acid. Saboda bambanci a cikin sinadaran abun da ke ciki tsakanin talakawa bakin karfe da acid-resistant karfe, su lalata juriya ne daban-daban. Bakin karfe na yau da kullun baya juriya ga lalatawar kafofin watsa labarai na sinadarai, yayin da karfe mai juriya na acid gabaɗaya baya lalacewa. Kalmar “Bakin Karfe” ba wai kawai tana nufin nau’in bakin karfe guda ɗaya ba ne, amma kuma tana nufin sama da baƙin ƙarfe na masana’antu fiye da ɗari. Kowane bakin karfe da aka haɓaka yana da kyakkyawan aiki a cikin takamaiman filin aikace-aikacen sa.
