Polymethyl Methacrylate (PMMA) is a thermoplastic polymer of Methyl Methacrylate (MMA). It is a clear, strong and lightweight plastic generally used as a substitute to glass due to its energy efficiency and weather resistance. It is available in two grades and can be classified as optical and general purpose grades based on its usage. PMMA is manufactured in four forms including extruded sheet, pellets or resins, beads (powder) and cell cast sheets and blocks. It has wide usage in various ... Read more