Using methylene chloride (aka DCM, aka di-clo) to chemically weld pieces of acrylic (aka "Plexiglass", PMMA). Wear gloves and goggles, do not inhale, "vented hood" work environment is highly recommended, use caution. The same method can be used for other plastics such as polycarbonate (aka Lexan, aka Makrolon), butyrate, PETG, polystyrene unless materials are coated with inhibiting surface coatings, for example to improve scratch resistance.

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