Polyurethane(PU)sandwiched panel is composed of 2 layers of colored steel sheets and injected hard forms of polyurethane between 2 layers which feature fireproof materials.
The up & down surface of this rockwool panel is Galvanized & Pre-painted steel sheets, core material is 5 components rockwool glue, it is formed by heating, foaming & laminating.
Floor Decking Steel Sheet is roll formed by roll forming machine, mainly using galvanized steel, at thickness 0.8 - 1.2mm. Simple shape with high rib and high strength.