Polymethyl methacrylate, more commonly known as Lucite® and Plexiglas®, is a hard, crystal-clear polymer replacement for glass with the advantages of being lighter, more resistant to breakage and easily molded. With the Polymethyl Methacrylate: Clear Polymer Demonstration—ChemTopic™ Lab Activity, prepare polymethyl methacrylate to demonstrate the properties of free-radical chain reactions and the synthesis of addition polymers. Available as part of the Polymers—ChemTopic™ Labs digital collection. Click the Price link for digital collection pricing.