A complex active agent was used to modify the characteristic of phosphorous gypsum products, and the production process of phosphorous gypsum based complex pastern material was determined.

• 应用磷石膏为基料,掺加矿渣微粉、水泥等复合材料,在实验室进行工艺配方试验,使石膏制品达到防水产品的软化系数,并将其应用于实践。