Cast Acrylic panel is named PMMA sheet or plexiglass sheet. Chemical name is Polymethyl methacrylate; Composition:PMMA grade: 100% pure; Thickness:20mm-600mm; Color:transparent; Packing:PE film masking on both sides,KT board and angle iron; Application:Our product is widely used in public aquariums, oceanariums, ocean parks, undersea world, zoo, luxurious hotels, swimming pools and so on. Features: 1.Color is transparent, crystal clear and high brightness; 2.Strong plasticity can be easily shaped and processed; 3.Strong resistance to high pressure and impact (16 times as strong as ordinary glass); 4.Easy to maintain and clean.