... 200mmdensityRock wool 120-250kg/m3,EPS 12-35kg/m3,PU 35-50kg/m3Conventional colorOcean blue, tephrosiouslifetime15~20 yearsCharacterLight in ... . Composition: Core materials: EPS, XPS,Rok wool, Glass wool,PU, PUR Surface materials: PPGI, GI, Stainless steel sheet, galvalume ... structure perlite boards, and perlite porous board Can widely be applied to wall materials of various high and low buildings ...