... etc. length:as per inquiry MOQ:1*40'HQ Sandwich panel is usually used for walls and interior/exterior decoration of ... weiht, high strength, rich color, easy to use and it can also stand up to earthquake, fireand rain.materialssteelsandwichEPS(foam),PU( ... polyurethane),rock woolthickness 50mm,75mm,150mm or due to the customercolordue to the customerlength due to the customer sandwich panel