Effect of Admixtures on the Basic Properties of Phosphogypsum-based Plastering Mortar
The research on the basic properties of phosphogypsum-based plastering mortar is one of the hot topics of large-scale resource utilization of phosphogypsum.The effect of retarder on the basic mechanical properties of phosphogypsum-based plastering mortar is examined,and the results show that the setting time and strength of the plastering mortar prepared by different formulas meet the standard requirements.With the increase of the amount of re-tarder,the setting time of the plastering mortar increases and the strength decreases.The retarding effect of retarder is different for different types and man-ufacturers.The results of this study can provide technical support for the preparation of phosphogypsum-based plastering mortar.
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