... stainless steel panel2. Core material---The density of this(mineral)Rock wool is: 120-250kg/m33. Side steel strip or not ... Detailed parameters: 1. Composition: Core materials: EPS, XPS,Rok wool, Glass wool,PU, PUR Surface materials: PPGI, GI, Stainless steel sheet ... improved Raw materials do not include harmful substances Environmental products, it is highly recommended by the government Capacity: ...