... 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 ... products,sign board,lighbox,lantern,windows,doors,advertising,crystal products,furniture and kitchenware,etc. Acrylic lamp ... -using and so on. Cast Acrylic Sheet for sign board