White Cement

Coloured cement consists of portland cement with 5% to 10% of pigment ,such that the pigment is neither affected by the cement nor it is detrimental to cement.

The process of manufacture of White Portland cement is nearly same a OPC

The raw materials consists of high purify limestone(96%CaCO3) and less than 0.07% iron oxide , along with china clay with iron content of about 0.72 to 0.80% silica sand ,fluorspar as flux and  selenite as retarder.