... : 0.35-1.2mm colour-coated panel/zinc plate, hot galvanized plate/stainless steel panel2. Core material---The density of ... this(mineral)Rock wool is: 120-250kg/m33. Side steel ... Detailed parameters: 1. Composition: Core materials: EPS, XPS,Rok wool, Glass wool,PU, PUR Surface materials: PPGI, GI, Stainless steel sheet, galvalume ...