Superiority of MC-1.5% over NC at the initial strength margin
indicates 1.5% modification as a suitable content for increase in
strength. Indeed, about 1.5% latex/water ratio was reported as an
optimum value for maximum compressive strength [26]. Inclusion
of latex beyond optimum content resulted in lower strength values
as witnessed in MC-3% and MC-5%. Meanwhile, strength development
in both NC and MCs was observed to initially retard and as
the aggressive curing advances further, this was followed by a
gradual reduction in the overall strength.