... panel is high qualified steel sheet, and Fiber glass or EPS or PU or Rock Wool with its interlayer.Specifications:1 ... available under request3. Width (mm): flat panel:950,1000,1150,1200 Corrugated: 750,820,840,950,10004. Length (mm): tailored as ... 67100288Fax: +86 (0)21 67100768 sandwich panel (fiber glass/PU/EPS/rock wool-core)