... /zinc plate, hot galvanized plate/stainless steel panel2. Core material---The density of this(mineral)Rock wool is: ... 1200mm Roof panel: 950mm 980mmLengthAccording to customer' s requestmaterialsPolystyrene foam board(EPS), Color steel sheet,Rock woolStructureUpper and lower ... , exhibition halls, gymnasiums etc. Detailed parameters: 1. Composition: Core materials: EPS, XPS,Rok wool, Glass wool,PU, PUR ...