石膏スラグセメント-3-

概要

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For the surface hardening of gypsum slag cement, it seemed desirable to protect the mortar from drying and carbonizing especially in its initial stage, and to add small amount of aluminate such as 3-calcium aluminate or 6-calcium 2-alumino ferrite. Further experiments should be necessary on the accerelation of the setting of this type of cement by steam curing.The cement containing slag powder previously weathered severely, showed low early strength, though its long dated strength being not so low. In the course of weathering, some gypsum slag cement was improved to have the highest hardening property, the fact being supposed to be based on the neutralization of alkaline exciter which had been added excessively.
公益社団法人日本セラミックス協会の論文