... Proof 4.Acid & Alkali resistant DUT 38 ceiling t bar, ceiling grid components, ceiling T grids system1.Elegant2.High strength/Rust ... Made of galvanized steel and Al-alloyAcid & Alkali resistant Ceiling T Grids SystemTogether with mineral fiber board, gypsum board ... to make ceiling for office, shop, hotels, restaurants, theatres, etc. Normal ...