polymethyl methacrylatehttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31373493enGetty Institute2026-03-30 20:40:43http://AATesaurus.cultura.gencat.cat/aat/getty_enTesaurus d'Art i Arquitecturatext/html poly methyl-methacrylate poly(methyl methacrylate) polymerized methyl methacrylate polymethylmethacrylate PMMA methacrylate, polymethyl