... for sign board,advertising,LED light,engraving,silk-screen printing etc 2.Thickness:2mm--70mm 3.Size 4'*8',4*6 Acrylic ... sheet. The Chemical name is Polymethyl methacrylate.Acrylic holds the physical properties among plastics due to ... ,advertising,crystal products,furniture and kitchenware,etc. Acrylic lamp house has excellent advantages than others, ... -using and so on. Cast Acrylic Sheet for sign board