Poly Methyl Methacrylate vs Methyl MethacrylatePoly Methyl MethacrylatePoly Methyl Methacrylate vs Methyl Methacrylate: Poly methyl methacrylate structure (PMMA) features a transparent, durable polymer used in optical applications and acrylic glass, while polycarbonate is known for its high impact strength and versatility in transparent materials.