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.
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.
Sandwich panels are cost-efficient prefabricated elements that consists of an inner insulation core between two color-coated steel sheet layers. The insulating core can be mineral wool or polyisocyanurate.In addition to sandwich panels, we offers a wide range of steel construction materials and tools needed for their installation.