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Polymethyl methacrylate (PMMA) is a synthetic polymer made from the polymerization of methyl methacrylate monomers. It is a transparent thermoplastic that has excellent optical clarity, making it a popular material for applications。

polymethyl methacrylate (PMMA), a synthetic resin produced from the polymerization of methyl methacrylate. A transparent and rigid plastic, PMMA is often used as。

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