Coated karfe bututu da aka fi sani da Coated hadaddun karfe bututu, shi ne a cikin wani matattarar karfe bututu, kai tsaye walda bututu da seamless karfe bututu a matsayin tushe, da epoxy foda da sauran lalacewa kare kayan a matsayin rufi, wani irin karfe filastik hadaddun karfe bututu samar da wani layi na epoxy rufi a ciki da waje na karfe bututu. A cikin da waje murfin narkewa epoxy foda ne sabon nau'in kare lalacewa layer da aka ci gaba a cikin 'yan shekarun nan, ta amfani da electrostatic spraying tsari rufe epoxy foda rufi, a lokaci guda yin fim. Wannan rufi yana da siffofin mai sauki, ba gurɓataccen aiki ba, rufi mai tsayayya da tasiri da kuma karkata mai kyau, da kuma babban juriya na zafi,An samu m aikace-aikace a kasashen waje.

FBE foda coating hanyoyin ne mafi yawa: electrostatic spraying hanyar, zafi spraying hanyar, suction hanyar, fluidized gado hanyar da sauransu. A cikin bututun coating yawanci amfani da friction electrostatic spraying hanyar, suction hanyar ko zafi spraying hanyar; Outer bututun coating gabaɗaya dauki electrostatic spraying hanyar; Samfurin sassa yana amfani da hanyar Fluid Bed ko hanyar Electrostatic Spray. Wadannan 'yan hanyoyin bushewa suna da wani halaye na kowa, watau kafin bushewa yana buƙatar pre-dumama workpieces zuwa wani zafin jiki, sa foda ta haɗi daya, wato, narkewa, sauran zafi sa rufi fim ci gaba da gudana, kara flattening rufe dukan karfe bututun farfajiyar, musamman a yankunan karfe bututun farfajiyar, da kuma walda seams bangarorin biyu, narkewa rufi gudana a cika, sa rufi da karfe bututun haɗi, rage porosities, da kuma karfafa a cikin wani lokaci, bayan da ruwa sanyaya dakatar da karfafa tsari.

• Green muhalli tsaftacewa, dace da sha ruwa jigilar bututun;
• High zafi juriya lalata juriya,Yana dacewa da zafi ruwa da kuma sharar ruwa jigilar bututun；
• High matsin lamba juriya tsani, dace da wuta ruwa bututun;
• juriya lalata na acid, alkali, gishiri, dace da sinadarai ruwa jigilar bututun;
• insulation mai laushi,AmfaniKariya bututun waya da kebul;
  
• Anti-impact hatimi mai kyau, za a iya amfani da ma'adinai iska bututun da kuma samar da ruwa drainage bututun;