The standard thicknesses of Dibond are thicker than the standard thicknesses of Aluminum.
⅛” Dibond is stiffer than 0.40” Aluminum.
Although, per its description, Dibond may seem to be another flimsy sheet of metal, Dibond has a polyethylene, plastic core sandwiched between two sheets of enamel-coated Aluminum.
Dibond has a rigid, more substantial appearance.
Dibond is stronger than Aluminum.