In a white cement setting time and flouride content are coming as given below,
Sample-1, IST = 100 minutes, FST = 160 minutes, Flouride = 0.22% ,Blaine= 416 m2/kg , SO3=3.07%
IST = 50 minutes,
FST = 105 minutes,
Flouride = 0.35%,
Blaine =411 m2/kg , SO3 = 3.43%
It is very difficult to understand that in spite of increasing flouride content in sample No-2, setting time is coming around 50 minutes lower than the sample number-1.Could you please explain the possible reasons of lower setting time in cement No.-2 in comparison to sample No-1?
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