COLORED POLYOLEFIN COATED STEEL MATERIAL

摘要

PURPOSE:To provide a colored polyolefin coated steel material provided with polyolefin layers having various hues and excellent in appearance. CONSTITUTION:Substrate treatment is applied to the surface requiring aesthetic appearance of a steel material and a colored polyolefin layer 5 having color pigment added thereto and an isocyanate curable fluoroplastic primer layer 6 are successively applied to the treated surface of the steel material 1 through a modified polyolefin adhesive layer 4. A chromate film and an epoxy primer film 3 are provided between the steel material 1 and the adhesive layer 4.