... Fiber Cement board or Galvanized Steel Sheet .2. Core Material :EPS , XPS , Rockwool or PU .3. Length : Accounting to customer's ... is Self Extinguishing Grade , and the Facing Board Fireproof , so ,Sandwich Panel has excellent Fire Resistance capacity .2. The Panel also ... material , nail and screw also available in MgO Sandwich Panel .6. The Sandwich Panel has Light Weight and can in Different Size ...