... : 950mm 980mmLengthAccording to customer' s requestmaterialsPolystyrene foam board(EPS), Color steel sheet,Rock woolStructureUpper and lower layer: ... gymnasiums etc. Detailed parameters: 1. Composition: Core materials: EPS, XPS,Rok wool, Glass wool,PU, PUR Surface materials: ... air bricks, color-coated steel sandwich boards, gypsum blocks, wire spatial grid structure perlite boards, and perlite porous ...