Babban coat ɗin aliphatic mai ƙarfi mai ƙarfi mai ƙarfi guda biyu tare da babban digiri na haɗin gwiwa wanda aka yi da resin tetrafluoro fluorocarbon, wakili na warkarwa na aliphatic isocyanate da babban yanayin juriya pigments.Abubuwan da ke cikin fluorine ya fi 24%.
Bi da fasaha da bukatun na JT / T 722-2008 ga babbar hanya da kuma gada karfe tsarin anticorrosive shafi, fasaha da bukatun for Railway karfe gada m shafi da kuma shafi wadata TB / T 1527-2001, da kuma giciye-linked kyalli guduro shafi HG/T 3792 -2014.