Durable Rock wool sandwich panel

two layer of rock wool sandwich panel, use the galvanized steel or galvanized aluminum color steel, thickness of 0.4-0.8.By automatic continuous forming machine, after a post-pressure Bonded together with a high viscosity mixture. (Density of 100KG) rock wool blocks staggered laying,rock wool's fiber direction perpendicular to Sandwich board's two surface,also is closely connected to enrich the entire vertical and horizontal cross-section.
Between rock wool blocks as well as rock wool and steel plates,through the foam by high-strength composite formation connection.