Vicat apparatus for initial and final setting time of cement

Vicat Apparatus :-   Vicat apparatus is used to determine initial and final setting time of cement. It is necessary that the initial setting time of cement in not too quick and after it has been laid, hardening should be rapid so that structure can made use of as early as possible.The initial set is a stage process of hardening after which any cracks that may appear will not re-unite 

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