... Sliver mirror is that glass pass over strict select,wash,polished,and then Covers aprecious metal silverskin on the glass surface ... , 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm.Aluminum mirror is pass over wash,aluminizing,flow coating,drying an ... : 1.5mm, 1.8mm, 2mm, 2.5mm, 3mm 1.5mm Aluminum mirror glass