Prepainted galvanized ígwè mpempe akwụkwọ na eriri igwe bụ ihe a na-ejikarị ígwè ihe na magburu onwe corrosion eguzogide na ezi akpụ Njirimara, ya mere a na-eji ọtụtụ ebe na-ewu, njem, ngwá electronic, wdg DX51D bụ nkọwapụta nke galvanized mpempe akwụkwọ eriri igwe, nke "D" pụtara. galvanized mpempe akwụkwọ, “X” na-egosi na mkpụrụ a na-ekpo ọkụ akpọrepu akwụkwọ, “51″: Oghere Usoro nọmba, ọ dịghị kpọmkwem pụtara, na nnọchite nke izugbe ojiji.