Acrylic, also known as PMMA or acrylic, derived from the English Organic Glass (PMMA). The chemical name for polymethyl methacrylate, an important early development of the plasticity of polymer materials, with better transparency, chemical stability and weather resistance, easy to stain, easy processing, beautiful appearance, in the construction industry has a wide range of applications. Plexiglass products usually can be divided into panels casting, extrusion and molding plate.