PMMA, or polymethyl methacrylate, is a strong, lightweight and transparent thermoplastic. Also known as acrylic, it is used commercially as a shatter resistant alternative to glass under the trade names Plexiglas, Lucite and Perspex. It has good impact strength, significantly higher than glass, but lower than some stronger and more expensive materials like PC. Clear, thermoplastic acrylic; Acetone soluble; Generally, not food safe.

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