Material Sciences 材料科学 , 2019, 9(1), 69-78 Published Online January 2019 in Hans. http://www.hanspub.org/journal/ms https://doi.org/10.12677/ms.2019.91010 Development and Application of Phosphogypsum in Plasterboard Yue Lei, Qingwei Zhu * , Hongxia Chen, Miaomiao Wang Beijing New Building Materials Public Limited Company, Beijing Received: Dec. 29 th , 2018; accepted: Jan. 16 th , 2019; publis