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Material_PLASTER — Wahlfach Modell und Gestaltung FS20 PLASTER Tobias Peteler, Hannah Kilian Material Characteristics While plasters based on limestone, clay and cement are available, this summary is focused solely on model-grade plaster based on gypsum.By mixing dry gypsum powder with water an exotherm hardening reaction, called “calcining”, is initiated. During this process, the mixture undergoes […]