1.Polyurethane insulation sandwich panel 2.Cold storage room 2. PU panel ... . CE 4.Temperature: -5 --40 1. Core material of panel: Polyurethane.2. Panel availiable thickness: 50mm,75mm,100mm,120mm,150mm,200mm ... , Alco, Castol, cold storage room/cold room for meat/seafood /Polyurethane cold storage/stailess steel cold room