The strength of the cement clinker compounds that are based on the C3S and C2S majority. The most existing C3S in cement is 45-55 %. Occurs at high temperature (1,450 C), produces large amounts of CO2 compared to the formation of C2S. As a result, people interested in education. Synthesis C2S a lot. Which is available in 35-15 % of cement and occur at temperatures than C3S.
Increasing the amount of belite in cement thus leads to a great reduction of CO2 emissions.