The embossed Galvanized ígwè phenolic ikuku duct mpempe akwụkwọ bụ ọgbọ ọhụrụ evolushọn ngwaahịa nke omenala ígwè mpempe akwụkwọ ikuku duct.Mpụta oyi akwa nke ikuku duct osisi na-mere nke galvanized embossed ígwè efere, n'ime oyi akwa na-ntekwasa na anticorrosive aluminum foil, na n'etiti bụ mejupụtara phenolic ụfụfụ.Na mgbakwunye na uru nke omenala ígwè mpempe akwụkwọ ikuku ducts nke ọma rigidity na elu ike, ọ nwekwara Njirimara nke ire ere retardant okpomọkụ nchekwa, ụda absorption na mkpọtụ mbelata.Ọzọkwa, mgbe e guzobere ọkpọkọ ahụ, ọ dịghị ihe nchekwa okpomọkụ nke abụọ achọrọ, nke na-emeri adịghị ike nke ikuku ikuku ígwè nke omenala nke na-eme ka oyi akwa nchekwa okpomọkụ dị n'èzí mebie ngwa ngwa, nwee ogologo ndụ ọrụ, ma mara mma ma na-emesapụ aka.