... 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 ... Most civilized, environmental, high efficiency construction.5. Key Specifications/Special Features: Thickness: 50mm 75mm 100mm 150mm 200mm Maximum width: ...