A portland slag cement composition comprising a) 2 to 10 % by weight supplementary cementitious material acting as activator and having desired fineness and particle size, b) 60 to 68 % by weight ground granulated blast furnace slag such that total amount of component a and b do not exceed 70% by weight of the total...
A supplementary cementitious material having an average particle size of 4 to 5 microns and fineness ranging from 6000 to 20000 sq/cm gm and adapted to be incorporated into cement, concrete and motor.