双灰胶凝粉(以下简称双灰粉)是由四川省江油市水电局劳动服务公司新型建材厂与川西北石油指挥部管子站共同试制生产的。它是利用燃煤电厂废弃的原状粉煤灰与炼钢厂排出的废弃炉钢灰按适当比例磨细过筛而成。它可用于城市民房建筑,农房建筑,水利工程,交通设施等需要砌筑砂浆和抹灰砂浆的地方。用于混合砂浆时,可全部代替325 The double-gray cement powder (hereinafter referred to as double-ash powder) was jointly produced by the New Type Building Material Factory of the Labor Service Company of the Bureau of Hydropower of Jiangyou City in Sichuan Province and the Tuan Station of the Sichuan Northwest Petroleum Command. It uses raw fly ash discarded from coal-fired power plants and steel furnace ash discharged from steel mills ground to a suitable ratio. It can be used in places such as urban houses, rural houses, water conservancy projects, transportation facilities, etc. where mortar and plastering mortars are to be built. When used for mixing mortar, it can replace all 325