1.Brief introduce for EPS cement sandwich wall panel. Surface: Fiber reinforced calcium silicate board. Cores: cement,sand,EPS polystyrene foam part, additives. 2.Dimensions: 2270x610x50/60/75/90/100/120/150/180mm 50/60mm used for roof. 75/90mm used for floor or simple partition. 100/120mm used for internal wall 120/150/180mm used for external wall.