Polymethylmethacrylate,abbreviatedasPMMA,alsoknownasacrylicorplexiglass,isakindofpolymerwithadvantagessuchashightransparency,weatherresistance,chemicalstability,andeaseofmachining.PMMAmaterialsarewidelyusedinfieldssuchasconstructionbuildingmaterials,industrialequipment,advertisingfacilities,transportationfacilities,andmedicalequipment.