Rock Wool Sandwich Panel Good-resistance, Noise-absorbing, Heat-insulatedfast Rockwool ... mm Material details:Inner & outer sides are prepainted galvanized corrugated steel sheet 0.3/0.4/0. ... for choice Color:as request Wall panel :950 ,1000,1150,1200 Roof panel :950,960, 1050 Product features: ... and convenient construction.2. fire-resistance rating:mineral wool rock is A,Pu is B. Applicaion:Widely used ...